EX-10.1



 EXHIBIT 10.1 

CARMAX AUTO OWNER TRUST 2015-3, 

as Issuer, 
 CARMAX AUTO FUNDING
LLC, 
 as Depositor 
 and 

CARMAX BUSINESS SERVICES, LLC, 
 as
Servicer 
  
  

SALE AND SERVICING AGREEMENT 

Dated as of August 1, 2015 
  

 







 TABLE OF CONTENTS 
  

							
	 	 	 	  	Page	 
			
		 	 ARTICLE I

DEFINITIONS
	  			
	 1.1
	 	Definitions	  	 	1	  
	 1.2
	 	Other Definitional Provisions	  	 	18	  
			
		 	 ARTICLE II

TRUST PROPERTY
	  			
	 2.1
	 	Conveyance of Trust Property	  	 	19	  
	 2.2
	 	Representations and Warranties of the Seller as to the Receivables	  	 	20	  
	 2.3
	 	Representations and Warranties of the Depositor as to the Receivables	  	 	20	  
	 2.4
	 	Repurchase by Depositor upon Breach	  	 	24	  
	 2.5
	 	Custody of Receivable Files	  	 	25	  
	 2.6
	 	Duties of Servicer as Custodian	  	 	26	  
	2.7	 	Instructions; Authority to Act	  	 	27	  
	 2.8
	 	Indemnification by the Custodian	  	 	27	  
	 2.9
	 	Effective Period and Termination	  	 	27	  
		 	 ARTICLE III

ADMINISTRATION AND SERVICING OF RECEIVABLES AND OTHER TRUST PROPERTY
	  			
	 3.1
	 	Duties of Servicer	  	 	28	  
	 3.2
	 	Collection and Allocation of Receivable Payments	  	 	29	  
	 3.3
	 	Realization upon Receivables	  	 	29	  
	 3.4
	 	Physical Damage Insurance	  	 	29	  
	 3.5
	 	Maintenance of Security Interests in Financed Vehicles	  	 	29	  
	 3.6
	 	Amendment of Receivable Terms	  	 	30	  
	 3.7
	 	Purchase by Servicer upon Breach	  	 	30	  
	 3.8
	 	Servicing Compensation	  	 	30	  
	 3.9
	 	Monthly Servicer’s Certificate	  	 	31	  
	 3.10
	 	Annual Servicing Report; Annual Compliance Statement; Notice of Event of Servicing Termination	  	 	31	  
	 3.11
	 	Annual Public Accounting Firm Report	  	 	32	  
	 3.12
	 	Access to Certain Documentation and Information Regarding Receivables	  	 	32	  
	 3.13
	 	Reports to the Commission	  	 	32	  
	 3.14
	 	Reports to Rating Agencies	  	 	33	  
			
		 	 ARTICLE IV

DISTRIBUTIONS; RESERVE ACCOUNT; STATEMENTS TO NOTEHOLDERS AND CERTIFICATEHOLDERS
	  			
	 4.1
	 	Accounts	  	 	33	  
	 4.2
	 	Collections	  	 	35	  


  
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	4.3	 	Application of Collections	  	35
	4.4	 	Simple Interest Advances and Unreimbursed Servicer Advances	  	36
	4.5	 	Additional Deposits	  	36
	4.6	 	Determination Date Calculations; Application of Available Funds	  	36
	4.7	 	Reserve Account	  	38
	4.8	 	Net Deposits	  	40
	4.9	 	Statements to Noteholders and Certificateholders	  	40
	4.10	 	Control of Securities Accounts	  	42
			
		 	 ARTICLE V

[RESERVED]
	  	
			
		 	 ARTICLE VI

THE DEPOSITOR
	  	
	6.1	 	Representations and Warranties of Depositor	  	42
	6.2	 	Liability of Depositor; Indemnities	  	44
	6.3	 	Merger or Consolidation of, or Assumption of the Obligations of, Depositor	  	45
	6.4	 	Limitation on Liability of Depositor and Others	  	45
	6.5	 	Depositor May Own Notes or Certificates	  	46
	6.6	 	[RESERVED]	  	46
	6.7	 	Certain Limitations	  	46
			
		 	 ARTICLE VII

THE SERVICER
	  	
	7.1	 	Representations and Warranties of Servicer	  	48
	7.2	 	Liability of Servicer; Indemnities	  	49
	7.3	 	Merger or Consolidation of, or Assumption of the Obligations of, Servicer	  	50
	7.4	 	Limitation on Liability of Servicer and Others	  	51
	7.5	 	Delegation of Duties	  	52
	7.6	 	Servicer Not to Resign	  	52
	7.7	 	Servicer May Own Notes or Certificates	  	52
			
		 	 ARTICLE VIII

SERVICING TERMINATION
	  	
	8.1	 	Events of Servicing Termination	  	53
	8.2	 	Indenture Trustee to Act; Appointment of Successor Servicer	  	54
	8.3	 	Effect of Servicing Transfer	  	56
	8.4	 	Notification to Noteholders, Certificateholders and Rating Agencies	  	57
	8.5	 	Waiver of Past Events of Servicing Termination	  	57
	8.6	 	Repayment of Advances	  	57
			
		 	 ARTICLE IX

TERMINATION
	  	
	9.1	 	Optional Purchase of All Receivables	  	58


  
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		 	 ARTICLE X

MISCELLANEOUS PROVISIONS
	  	
	10.1	 	Amendment	  	58
	10.2	 	Protection of Title to Trust	  	60
	10.3	 	GOVERNING LAW	  	62
	10.4	 	Notices	  	62
	10.5	 	Severability of Provisions	  	63
	10.6	 	Assignment	  	63
	10.7	 	Further Assurances	  	63
	10.8	 	No Waiver; Cumulative Remedies	  	63
	10.9	 	Third-Party Beneficiaries	  	63
	10.10	 	Actions by Noteholder or Certificateholders	  	63
	10.11	 	Counterparts	  	64
	10.12	 	No Bankruptcy Petition	  	64
	10.13	 	Limitation of Liability of Owner Trustee and Indenture Trustee	  	64
	10.14	 	Regulation AB	  	64
	10.15	 	Communications Regarding Demands to Repurchase Receivables	  	65

  

					
	
	SCHEDULES
			
	SCHEDULE 1	 	Receivable Schedule	  	
	SCHEDULE 2	 	Location of Receivable Files	  	
	
	EXHIBITS
			
	EXHIBIT A	 	Form of Servicer’s Certificate	  	
	EXHIBIT B	 	Form of Statement to Noteholders	  	
	EXHIBIT C	 	Form of Statement to Certificateholders	  	
	EXHIBIT D	 	Servicing Criteria to Be Addressed in Assessment of Compliance	  	


  
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 SALE AND SERVICING AGREEMENT, dated as of August 1, 2015 (as amended, supplemented or
otherwise modified and in effect from time to time, this “Agreement”), among CARMAX AUTO OWNER TRUST 2015-3, a Delaware statutory trust (the “Trust”), CARMAX AUTO FUNDING LLC, a Delaware limited liability company
(the “Depositor”), and CARMAX BUSINESS SERVICES, LLC, a Delaware limited liability company (“CarMax”), as servicer (in such capacity, the “Servicer”). 

WHEREAS, the Trust desires to purchase certain motor vehicle retail installment sale contracts originated or acquired by CarMax in the
ordinary course of business and sold to the Depositor as of the date hereof; 
 WHEREAS, the Depositor is willing to sell such contracts to
the Trust as of the date hereof; and 
 WHEREAS, the Servicer is willing to service such contracts on behalf of the Trust; 

NOW, THEREFORE, in consideration of the mutual covenants contained herein and other good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, the parties hereto agree as follows: 
 ARTICLE I 

DEFINITIONS 
 1.1
Definitions. Whenever used in this Agreement, the following words and phrases, unless the context otherwise requires, whenever capitalized shall have the following meanings: 

“Additional Note Interest” shall mean, for any Distribution Date and any Class of Notes, the sum of (i) all accrued but
unpaid Monthly Note Interest for previous Distribution Dates for such Class plus (ii) to the extent permitted by law, interest on such accrued but unpaid Monthly Note Interest at the Note Rate applicable to such Class. 

“Additional Servicing Fee” shall mean, for any Collection Period, if a successor Servicer has been appointed pursuant to
Section 8.2, the amount, if any, by which (i) the compensation payable to such successor Servicer for such Collection Period exceeds (ii) the Monthly Servicing Fee for such Collection Period. 

“Affiliate” shall mean, with respect to any Person, any other Person directly or indirectly controlling, controlled by or
under direct or indirect common control with such Person. For purposes of this definition, “control” when used with respect to any Person shall mean the power to direct the management and policies of such Person, directly or
indirectly, whether through the ownership of voting securities, by contract or otherwise. 
 “Amount Financed” shall mean,
with respect to any Receivable, the aggregate amount advanced under such Receivable toward the purchase price of the related Financed Vehicle and any related costs, including accessories, extended service plan contracts, insurance premiums and other
items customarily financed as part of a motor vehicle retail installment sale contract. 







 “Applicable Tax State” shall mean, as of any date, (i) any State in which
the Owner Trustee maintains the Corporate Trust Office, (ii) any State in which the Owner Trustee maintains its principal executive offices and (iii) any State in which the Servicer regularly conducts servicing and collection activities
(other than purely ministerial activities) with respect to a material portion of the Receivables. 
 “APR” shall mean, with
respect to any Receivable, the annual percentage rate of interest stated in such Receivable. 
 “Authorized Officer” shall
mean, as applicable, (i) any officer within the Corporate Trust Office of the Indenture Trustee, including any vice president, assistant vice president, secretary or assistant secretary, or any financial services officer of the Indenture
Trustee customarily performing functions similar to those performed by any of the above designated officers and also, with respect to a particular matter, any other officer of the Indenture Trustee to whom such matter is referred because of such
officer’s knowledge of and familiarity with the particular subject or (ii) any officer of the Owner Trustee who is authorized to act for or on behalf of the Owner Trustee in matters relating to the Issuer and who is identified on the list
of Authorized Officers or authorized signatories delivered by the Owner Trustee to the Servicer on the Closing Date (as such list may be modified or supplemented from time to time thereafter). 

“Available Collections” shall mean, for any Distribution Date, (i) all Obligor payments received with respect to the
Receivables during the preceding Collection Period, (ii) all Liquidation Proceeds received with respect to the Receivables during the preceding Collection Period, (iii) all interest earned on funds on deposit in the Collection Account
during the preceding Collection Period, (iv) the aggregate Purchase Amount deposited in the Collection Account on the Business Day preceding such Distribution Date, (v) all prepayments received with respect to the Receivables during the
preceding Collection Period attributable to any refunded item included in the Amount Financed (including amounts received as a result of rebates of extended service plan contract costs and insurance premiums and proceeds received under physical
damage, theft, GAP, credit life and credit disability insurance policies) and (vi) all Simple Interest Advances deposited into the Collection Account by the Servicer on the Business Day preceding such Distribution Date; provided,
however, that Available Collections for any Distribution Date shall not include any payments or other amounts (including Liquidation Proceeds) received with respect to any Purchased Receivable the Purchase Amount for which was included in
Available Collections for a previous Distribution Date; provided further, that Available Collections for any Distribution Date shall not include any payments or other amounts (including Liquidation Proceeds) received with respect to
any Receivable to the extent that the Servicer has made an unreimbursed Simple Interest Advance with respect to such Receivable and is entitled to reimbursement from such payments or other amounts pursuant to Section 4.4; and, provided
further, that Available Collections for any Distribution Date shall not include any payments or other amounts (including Liquidation Proceeds) received with respect to the Receivables that are retained by the Servicer as reimbursement for
Unreimbursed Servicer Advances pursuant to Section 4.4; provided, further, however, that Available Collections for any Distribution Date will exclude any Supplemental Servicing Fees. 

  
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 “Available Funds” shall mean, for any Distribution Date, the sum of (i) the
Available Collections for such Distribution Date plus (ii) the Reserve Account Draw Amount, if any, for such Distribution Date (to the extent deposited in the Collection Account). 

“Bankruptcy Code” shall mean Title 11 of the United States Code, as amended. 

“Business Day” shall mean any day other than a Saturday, a Sunday or a day on which banking institutions or trust companies
in New York, New York, Chicago, Illinois, Wilmington, Delaware, Minneapolis, Minnesota or Richmond, Virginia are authorized or obligated by law, executive order or governmental decree to remain closed. 

“CarMax” shall mean CarMax Business Services, LLC, a Delaware limited liability company. 

“CarMax Auto” shall mean CarMax Auto Superstores, Inc., a Virginia corporation. 

“CarMax, Inc.” shall mean CarMax, Inc., a Virginia corporation. 

“CarMax Funding” shall mean CarMax Auto Funding LLC, a Delaware limited liability company. 

“Certificate” shall have the meaning specified in the Trust Agreement. 

“Certificate Payment Account” shall mean the account established and maintained as such pursuant to Section 4.1(c). 

“Certificate Percentage Interest” shall mean, with respect to a Certificate, the percentage specified on such Certificate as
the Certificate Percentage Interest, which percentage represents the beneficial interest of such Certificate in the Trust. The initial Certificate Percentage Interest held by the Depositor shall be 100%. 

“Certificateholder” shall have the meaning specified in the Trust Agreement. 

“Class” shall mean a class of Notes, which may be the Class A-1 Notes, the Class A-2a Notes, the Class A-2b
Notes, the Class A-3 Notes, the Class A-4 Notes, the Class B Notes, the Class C Notes or the Class D Notes. 
 “Class A
Notes” shall mean the Class A-1 Notes, the Class A-2a Notes, the Class A-2b Notes, the Class A-3 Notes and the Class A-4 Notes. 

“Class A-1 Final Distribution Date” shall mean the August 15, 2016 Distribution Date. 

“Class A-1 Monthly Interest” shall mean (i) for the initial Distribution Date, $57,422.22, and (ii) for any
Distribution Date thereafter, the product of (A) the actual number of days elapsed during the period from and including the preceding Distribution Date to but excluding such Distribution Date divided by 360, (B) the Class A-1 Rate and
(C) the outstanding 

  
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principal balance of the Class A-1 Notes as of the preceding Distribution Date (after giving effect to all payments of principal made to the Holders of the Class A-1 Notes on or before
such preceding Distribution Date). 
 “Class A-1 Notes” shall mean the 0.40000% Class A-1 Asset-backed Notes issued by
the Trust pursuant to the Indenture in the initial aggregate principal amount of $152,000,000. 
 “Class A-1 Rate” shall
mean 0.40000% per annum. 
 “Class A-2a Final Distribution Date” shall mean the November 15, 2018 Distribution
Date. 
 “Class A-2a Monthly Interest” shall mean (i) for the initial Distribution Date, $194,608.33, and
(ii) for any Distribution Date thereafter, one-twelfth of the product of (A) the Class A-2a Rate and (B) the outstanding principal balance of the Class A-2a Notes as of the preceding Distribution Date (after giving effect to
all payments of principal made to the Holders of the Class A-2a Notes on or before such preceding Distribution Date). 
 “Class
A-2a Notes” shall mean the 1.10% Class A-2 Asset-backed Notes issued by the Trust pursuant to the Indenture in the initial aggregate principal amount of $193,000,000. 

“Class A-2a Rate” shall mean 1.10% per annum. 

“Class A-2b Final Distribution Date” shall mean the November 15, 2018 Distribution Date. 

“Class A-2b Monthly Interest” shall mean (i) for the initial Distribution Date, $106,594.43, and (ii) for any
Distribution Date thereafter, the product of (A) the actual number of days elapsed during the period from and including the preceding Distribution Date to but excluding such Distribution Date divided by 360, (B) the Class A-2b Rate
and (C) the outstanding principal balance of the Class A-2b Notes as of the preceding Distribution Date (after giving effect to all payments of principal made to the Holders of the Class A-2b Notes on or before such preceding
Distribution Date). 
 “Class A-2b Notes” shall mean the LIBOR + 0.45% Class A-2b Asset-backed Notes issued by the
Trust pursuant to the Indenture in the initial aggregate principal amount of $175,000,000. 
 “Class A-2b Rate” shall mean
LIBOR + 0.45% per annum. 
 “Class A-3 Final Distribution Date” shall mean the May 15, 2020 Distribution Date.

 “Class A-3 Monthly Interest” shall mean (i) for the initial Distribution Date, $448.250.00, and (ii) for any
Distribution Date thereafter, one-twelfth of the product of (A) the Class A-3 Rate and (B) the outstanding principal balance of the Class A-3 Notes as of the preceding Distribution Date (after giving effect to all payments of
principal made to the Holders of the Class A-3 Notes on or before such preceding Distribution Date). 

  
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 “Class A-3 Notes” shall mean the 1.63% Class A-3 Asset-backed Notes issued
by the Trust pursuant to the Indenture in the initial aggregate principal amount of $300,000,000. 
 “Class A-3 Rate” shall
mean 1.63% per annum. 
 “Class A-4 Final Distribution Date” shall mean the February 16, 2021 Distribution Date.

 “Class A-4 Monthly Interest” shall mean (i) for the initial Distribution Date, $209,632.50, and (ii) for any
Distribution Date thereafter, one-twelfth of the product of (A) the Class A-4 Rate and (B) the outstanding principal balance of the Class A-4 Notes as of the preceding Distribution Date (after giving effect to all payments of
principal made to the Holders of the Class A-4 Notes on or before such preceding Distribution Date). 
 “Class A-4
Notes” shall mean the 1.98% Class A-4 Asset-backed Notes issued by the Trust pursuant to the Indenture in the initial aggregate principal amount of $115,500,000. 

“Class A-4 Rate” shall mean 1.98% per annum. 

“Class B Final Distribution Date” shall mean the April 15, 2021 Distribution Date. 

“Class B Monthly Interest” shall mean (i) for the initial Distribution Date, $38,665.00, and (ii) for any
Distribution Date thereafter, one-twelfth of the product of (A) the Class B Rate and (B) the outstanding principal balance of the Class B Notes as of the preceding Distribution Date (after giving effect to all payments of principal made to
the Holders of the Class B Notes on or before such preceding Distribution Date). 
 “Class B Notes” shall mean the 2.28%
Class B Asset-backed Notes issued by the Trust pursuant to the Indenture in the initial aggregate principal amount of $18,500,000. 

“Class B Rate” shall mean 2.28% per annum. 

“Class C Final Distribution Date” shall mean the June 15, 2021 Distribution Date. 

“Class C Monthly Interest” shall mean (i) for the initial Distribution Date, $49,133.33, and (ii) for any
Distribution Date thereafter, one-twelfth of the product of (A) the Class C Rate and (B) the outstanding principal balance of the Class C Notes as of the preceding Distribution Date (after giving effect to all payments of principal made to
the Holders of the Class C Notes on or before such preceding Distribution Date). 
 “Class C Notes” shall mean the 2.68%
Class C Asset-backed Notes issued by the Trust pursuant to the Indenture in the initial aggregate principal amount of $20,000,000. 

“Class C Rate” shall mean 2.68% per annum. 

“Class D Final Distribution Date” shall mean the March 15, 2022 Distribution Date. 

  
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 “Class D Monthly Interest” shall mean (i) for the initial Distribution
Date, $77,935.00, and (ii) for any Distribution Date thereafter, one-twelfth of the product of (A) the Class D Rate and (B) the outstanding principal balance of the Class D Notes as of the preceding Distribution Date (after giving
effect to all payments of principal made to the Holders of the Class D Notes on or before such preceding Distribution Date). 

“Class D Notes” shall mean the 3.27% Class D Asset-backed Notes issued by the Trust pursuant to the Indenture in the initial
aggregate principal amount of $26,000,000. 
 “Class D Rate” shall mean 3.27% per annum. 

“Class Final Distribution Date” shall mean, as applicable, the Class A-1 Final Distribution Date, the Class A-2
Final Distribution Date, the Class A-3 Final Distribution Date, the Class A-4 Final Distribution Date, the Class B Final Distribution Date, the Class C Final Distribution Date or the Class D Final Distribution Date. 

“Closing Date” shall mean August 12, 2015. 

“Collection Account” shall mean the account established and maintained as such pursuant to Section 4.1(a). 

“Collection Period” shall mean each calendar month during the term of this Agreement or, in the case of the initial
Collection Period, the period from but excluding the Cutoff Date to and including August 31, 2015. 
 “Commission”
shall mean the Securities and Exchange Commission. 
 “Consolidated Tangible Net Worth” shall mean, as of any date, all
amounts which, in conformity with generally accepted accounting principles, would be included under stockholders’ equity on the consolidated balance sheet of CarMax, Inc. as of such date; provided, however, that, in any event,
such amounts shall be net of amounts carried on the consolidated financial statements of CarMax, Inc. for any write-up in the book value of any assets of CarMax, Inc. resulting from a revaluation thereof subsequent to February 28, 2009,
treasury stock, intangible assets and indebtedness owing from officers, employees, shareholders or affiliates of CarMax, Inc. (but only if the aggregate amount of such indebtedness exceeds $1,000,000). 

“Controlling Class” shall mean (i) the Class A Notes so long as any Class A Notes are Outstanding,
(ii) thereafter the Class B Notes so long as any Class B Notes are Outstanding, (iii) thereafter the Class C Notes so long as any Class C Notes are Outstanding and (iv) thereafter the Class D Notes. 

“Corporate Trust Office” shall mean, as applicable, (i) the principal office of the Indenture Trustee at which at any
particular time its corporate trust business shall be administered, which office at the date of the execution of this Agreement is located at Sixth and Marquette Avenue, MAC N9311-161, Minneapolis, Minnesota 55479 Attention: Asset Backed Securities
Department, or at such other address as the Indenture Trustee may designate from time to time by notice to the Noteholders, the Owner Trustee, the Depositor, the Seller and the Servicer, or the principal corporate trust office of any successor
Indenture Trustee at the address 

  
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designated by such successor Indenture Trustee by notice to the Noteholders, the Owner Trustee, the Depositor, the Seller and the Servicer or (ii) the corporate trust office of the Owner
Trustee at which at any particular time its corporate trust business shall be administered, which office at the date of the execution of this Agreement is located at 190 South LaSalle Street, Chicago, Illinois 60603, Attention: CarMax 2015-3, or at
such other address as the Owner Trustee may designate from time to time by notice to the Certificateholders, the Indenture Trustee, the Depositor, the Seller and the Servicer, or the principal corporate trust office of any successor Owner Trustee at
the address designated by such successor Owner Trustee by notice to the Certificateholders, the Indenture Trustee, the Depositor, the Seller and the Servicer. 

“Cutoff Date” shall mean July 31, 2015. 

“Defaulted Receivable” shall mean a Receivable as to which (i) any payment, or any part of any payment, due under such
Receivable is 120 days or more delinquent as of the last day of any Collection Period (whether or not the Servicer has repossessed the related Financed Vehicle), (ii) the Servicer has repossessed and sold the related Financed Vehicle or
(iii) the Servicer has determined in accordance with its customary practices that such Receivable is uncollectible; provided, however, that a Receivable shall not be classified as a Defaulted Receivable until the last day of the
Collection Period during which one of the foregoing events first occurs; and, provided further, that a Purchased Receivable shall not be deemed to be a Defaulted Receivable. 

“Depositor” shall mean CarMax Funding. 

“Determination Date” shall mean the ninth day of each month or, if such ninth day is not a Business Day, the following
Business Day, commencing on September 9, 2015. 
 “Distribution Date” shall mean the 15th day of each month or, if
such 15th day is not a Business Day, the following Business Day, commencing on September 15, 2015. 
 “Eligible
Institution” shall mean (i) the corporate trust department of the Indenture Trustee or the Owner Trustee or (ii) any other depository institution organized under the laws of the United States or any State or incorporated under the
laws of a foreign jurisdiction with a branch or agency located in the United States or any State qualified to take deposits and subject to supervision and examination by federal or State banking authorities which at all times has either a long term
unsecured debt rating of at least “Baa3” from Moody’s or a long-term unsecured debt rating, a short-term unsecured debt rating or a certificate of deposit rating acceptable to Moody’s and whose deposits are insured by the Federal
Deposit Insurance Corporation; provided, however, that (A) the commercial paper, short-term debt obligations or other short-term deposits of the depository institution described in clause (ii) above must be rated at least
“F1+” by Fitch (if rated by Fitch) and at least “Prime-1” by Moody’s if deposits are to be held in an account maintained with such depository institution pursuant to this Agreement for fewer than 30 days and (B) the
long-term unsecured debt obligations of the depository institution described in clause (ii) above must be rated at least “AA” by Fitch (if rated by Fitch) if deposits are to be held in an account maintained with such depository
institution pursuant to this Agreement for more than 30 days. 

  
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 “Eligible Servicer” shall mean a Person which, at the time of its appointment as
Servicer, (i) has a net worth of not less than $50,000,000, (ii) is servicing a portfolio of motor vehicle retail installment sale contracts and/or motor vehicle loans, (iii) is legally qualified, and has the capacity, to service the
Receivables, (iv) has demonstrated the ability to service a portfolio of motor vehicle retail installment sale contracts and/or motor vehicle loans similar to the Receivables professionally and competently in accordance with standards of skill
and care that are consistent with prudent industry standards and (v) is qualified and entitled to use pursuant to a license or other written agreement, and agrees to maintain the confidentiality of, the software which the Servicer uses in
connection with performing its duties and responsibilities under this Agreement or obtains rights to use, or develops at its own expense, software which is adequate to perform its duties and responsibilities under this Agreement. 

“ERISA” shall mean the Employee Retirement Income Security Act of 1974. 

“Event of Servicing Termination” shall mean an event specified in Section 8.1. 

“Excess Collections” shall have the meaning specified in Section 2.8(a)(xv) of the Indenture. 

“Exchange Act” shall mean the Securities Exchange Act of 1934. 

“Final Scheduled Maturity Date” shall mean the March 15, 2022 Distribution Date. 

“Financed Vehicle” shall mean a new or used motor vehicle, together with all accessions thereto, securing an Obligor’s
indebtedness under a Receivable. 
 “Fiscal Quarter” shall mean a fiscal quarter of a Fiscal Year. 

“Fiscal Year” shall mean the 12-month period ending on the last day in February in each year. 

“Fitch” shall mean Fitch Ratings, Inc. 

“HB3” shall mean Texas House Bill 3 (enrolled May 19, 2006) and the corresponding sections of the Texas Tax Code, Title
2 and the rules and regulations promulgated thereunder. 
 “Holder” shall mean a Noteholder or a Certificateholder, as the
case may be. 
 “Indenture” shall mean the Indenture, dated as of August 1, 2015, between the Trust and the Indenture
Trustee. 
 “Indenture Trustee” shall mean Wells Fargo Bank, National Association, a national banking association, not in
its individual capacity but solely as Indenture Trustee under the Indenture, and any successor Indenture Trustee under the Indenture. 

  
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 “Initial Note Balance” shall mean, as the context may require, (i) with
respect to all of the Notes, $1,000,000,000, or (ii) with respect to any Note, an amount equal to the initial denomination of such Note. 

“Initial Reserve Account Deposit” shall mean $2,500,000.03. 

“Insolvency Event” shall mean, with respect to any Person, (i) the making by such Person of a general assignment for the
benefit of creditors, (ii) the filing by such Person of a voluntary petition in bankruptcy, (iii) such Person being adjudged bankrupt or insolvent, or having had entered against such Person an order for relief in any bankruptcy or
insolvency proceeding, (iv) the filing by such Person of a petition or answer seeking reorganization, arrangement, composition, readjustment, liquidation, dissolution or similar relief under any statute, law or regulation, (v) the filing
by such Person of an answer or other pleading admitting or failing to contest the material allegations of a petition filed against such Person in any proceeding specified in clause (vii) below, (vi) seeking, consenting to or acquiescing in
the appointment of a trustee, receiver or liquidator of such Person or of all or any substantial part of the assets of such Person or (vii) the failure to obtain dismissal within 60 days of the commencement of any proceeding against such Person
seeking reorganization, arrangement, composition, readjustment, liquidation, dissolution or similar relief under any statute, law or regulation, or the entry of any order appointing a trustee, liquidator or receiver of such Person of all or any
substantial portion of the assets of such Person. 
 “Issuer” shall mean CarMax Auto Owner Trust 2015-3, a Delaware
statutory trust, and its successors. 
 “Lien” shall mean a security interest, lien, charge, pledge, equity or encumbrance
of any kind, other than tax liens, mechanics’ or materialmen’s liens, judicial liens and any liens that may attach to a Financed Vehicle by operation of law. 

“Liquidation Proceeds” shall mean all amounts received by the Servicer, from whatever source, with respect to any Defaulted
Receivable, net of the sum of (i) any expenses incurred by the Servicer in connection with collection of such Receivable and the repossession and disposition of the related Financed Vehicle (to the extent determinable by the Servicer and
not previously reimbursed) and (ii) any amounts required by law to be remitted to the related Obligor. 
 “Monthly Note
Interest” shall mean, for any Distribution Date, the sum of the Class A-1 Monthly Interest, the Class A-2a Monthly Interest, the Class A-2b Monthly Interest, the Class A-3 Monthly Interest, the Class A-4 Monthly
Interest, the Class B Monthly Interest, the Class C Monthly Interest and the Class D Monthly Interest, in each case for such Distribution Date. 

“Monthly P&I” shall mean, with respect to any Receivable, the amount of each monthly installment of principal and
interest payable with respect to such Receivable in accordance with the terms thereof, exclusive of any charges allocable to the financing of any insurance premium and charges which represent late payment charges or extension fees. 

“Monthly Remittance Condition” shall have the meaning specified in Section 4.2. 

  
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 “Monthly Servicing Fee” shall mean, for any Collection Period, the fee payable
to the Servicer on the following Distribution Date for services rendered during such Collection Period as determined pursuant to Section 3.8. 

“Moody’s” shall mean Moody’s Investors Service, Inc. 

“Net Losses” shall mean, with respect to any Collection Period, the excess, if any, of (i) the aggregate Principal
Balance of all Receivables that became Defaulted Receivables during such Collection Period over (ii) the aggregate Liquidation Proceeds received by the Servicer during such Collection Period. 

“Note Balance” shall mean, at any time, as the context may require, (i) with respect to all of the Notes, an amount
equal to, initially, the Initial Note Balance and, thereafter, an amount equal to the Initial Note Balance as reduced from time to time by all amounts allocable to principal previously distributed to the Noteholders or (ii) with respect to any
Note, an amount equal to, initially, the initial denomination of such Note and, thereafter, an amount equal to such initial denomination as reduced from time to time by all amounts allocable to principal previously distributed in respect of such
Note; provided, however, that in determining whether the Holders of Notes evidencing the requisite percentage of the Note Balance have given any request, demand, authorization, direction, notice, consent or waiver hereunder or under
any other Transaction Document, Notes owned by the Trust, any other obligor upon the Notes, the Depositor, the Seller, the Servicer or any Affiliate of any of the foregoing Persons shall be disregarded and deemed to be excluded from the Note Balance
(unless such Persons own 100% of the Note Balance), except that, in determining whether the Indenture Trustee or the Owner Trustee shall be protected in relying on any such request, demand, authorization, direction, notice, consent or waiver, only
Notes that a Responsible Officer of the Indenture Trustee or the Owner Trustee, as applicable, knows to be so owned shall be so disregarded; and, provided further, that Notes that have been pledged in good faith may be regarded as
included in the Note Balance if the pledgee establishes to the satisfaction of the Indenture Trustee or the Owner Trustee, as applicable, the pledgee’s right so to act with respect to such Notes and that the pledgee is not the Trust, any other
obligor upon the Notes, the Depositor, the Seller, the Servicer or any Affiliate of any of the foregoing Persons. 
 “Note Payment
Account” shall mean the account established and maintained as such pursuant to Section 4.1(b). 
 “Note Pool
Factor” shall mean, with respect to any Class of Notes as of any Distribution Date, a seven-digit decimal figure equal to the outstanding principal balance of such Class as of such Distribution Date (after giving effect to any reductions of
such outstanding principal balance to be made on such Distribution Date) divided by the original outstanding principal balance of such Class. 

“Note Rate” shall mean, in the case of the Class A-1 Notes, the Class A-1 Rate; in the case of the Class A-2a
Notes, the Class A-2a Rate; in the case of the Class A-2b Notes, the Class A-2b Rate; in the case of the Class A-3 Notes, the Class A-3 Rate; in the case of the Class A-4 Notes, the Class A-4 Rate; in the case of
the Class B Notes, the Class B Rate; in the case of the Class C Notes, the Class C Rate; and in the case of the Class D Notes, the Class D Rate. 

  
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 “Noteholder” shall mean a Person in whose name a Note is registered on the Note
Register. 
 “Obligor” shall mean the purchaser or co-purchasers of a Financed Vehicle purchased in whole or in part by the
execution and delivery of a Receivable or any other Person who owes or may be liable for payments under a Receivable. 

“Officer’s Certificate” shall mean a certificate signed by the chairman, the president, any executive vice president,
any senior vice president, any vice president or the treasurer of the Depositor or the Servicer, as the case may be, and delivered to the Owner Trustee and the Indenture Trustee. 

“Opinion of Counsel” shall mean one or more written opinions of counsel who may, except as otherwise expressly provided in
this Agreement, be an employee of, or outside counsel to, the Depositor or the Servicer and who shall be acceptable to the Indenture Trustee, the Owner Trustee or the Rating Agencies, as applicable. 

“Overcollateralization Target Amount” shall mean, for any Distribution Date, the greater of (i) 0.60% of the Pool
Balance as of the last day of the related Collection Period and (ii) 0.50% of the Pool Balance as of the Cutoff Date. 
 “Owner
Trust Estate” shall have the meaning specified in the Trust Agreement. 
 “Owner Trustee” shall mean U.S. Bank
Trust National Association, a national banking association, not in its individual capacity but solely as Owner Trustee under the Trust Agreement, and any successor Owner Trustee under the Trust Agreement. 

“Permitted Investments” shall mean, on any date of determination, book-entry securities, negotiable instruments or securities
represented by instruments in bearer or registered form which evidence: 
 (i) direct obligations of, and obligations fully
guaranteed by, the United States or any agency or instrumentality thereof the obligations of which are backed by the full faith and credit of the United States; 

(ii) demand deposits, time deposits, bankers’ acceptances or certificates of deposit of any depository institution or
trust company incorporated under the laws of the United States or any State (or any domestic branch of a foreign bank) and subject to supervision and examination by federal or State banking or depository institution authorities; provided,
however, that such investment shall not have an “r” highlighter affixed to its rating and its terms shall have a predetermined fixed dollar amount of principal due at maturity that cannot vary or change; and, provided
further, that, at the time of the investment, the commercial paper or other short-term unsecured debt obligations (other than such obligations the rating of which is based on the credit of a Person other than such depository institution or
trust company) of such depository institution or trust company shall have a rating from Fitch of at least “F1+” (if rated by Fitch) and from Moody’s of at least “Prime-1”; 

  
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 (iii) repurchase obligations with respect to any security that is a direct
obligation of, or fully guaranteed by, the United States or any agency or instrumentality thereof the obligations of which are backed by the full faith and credit of the United States, in either case entered into with a depository institution or
trust company (acting as principal) described in clause (ii) above; 
 (iv) short-term corporate securities bearing
interest or sold at a discount issued by any corporation incorporated under the laws of the United States or any State thereof; provided, however, that such investment shall not have an “r” highlighter affixed to its rating
and its terms shall have a predetermined fixed dollar amount of principal due at maturity that cannot vary or change; and, provided further, that, at the time of the investment, the short-term unsecured debt obligations (other than
such obligations the rating of which is based on the credit of a Person other than such corporation) of such corporation shall have a rating from Fitch of at least “AAA” (if rated by Fitch) and from Moody’s of at least
“Aaa”; 
 (v) commercial paper having, at the time of the investment, a rating from Fitch of at least
“F1+” (if rated by Fitch) and from Moody’s of at least “Prime-1”; provided, however, that such investment shall not have an “r” highlighter affixed to its rating and its terms shall have a
predetermined fixed dollar amount of principal due at maturity that cannot vary or change; 
 (vi) guaranteed investment
contracts issued by an insurance company or other corporation as to which the Rating Agency Condition shall have been satisfied; 

(vii) investments in money market funds having a rating from Fitch of at least “AAA” (if rated by Fitch) and from
Moody’s of at least “Aaa-mf” (including funds for which the Indenture Trustee or the Owner Trustee or any of their respective Affiliates is investment manager or advisor); and 

(viii) any other investment as to which the Rating Agency Condition shall have been satisfied. 

“Person” shall mean a legal person, including any individual, corporation, estate, partnership, joint venture, association,
joint stock company, limited liability company, limited liability partnership, trust, unincorporated organization, or government or any agency or political subdivision thereof, or any other entity of whatever nature. 

“Pool Balance” shall mean, as of the last day of any Collection Period, the aggregate Principal Balance of the Receivables as
of such last day; provided, however, that if the Receivables are purchased by the Servicer pursuant to Section 9.1(a) or are sold or otherwise liquidated by the Indenture Trustee following an Event of Default pursuant to
Section 5.4(a) of the Indenture, the Pool Balance shall be deemed to be zero as of the last day of the Collection Period during which such purchase, sale or other liquidation occurs. 

“Principal Balance” shall mean, with respect to any Receivable as of any date, the Amount Financed under such Receivable
minus the sum of (i) that portion of all Scheduled Payments actually received on or prior to such date allocable to principal using the Simple 

  
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Interest Method (to the extent collected) plus (ii) any rebates of extended service plan contract costs or physical damage, theft, GAP, credit life or credit disability insurance
premiums included in the Amount Financed plus (iii) any full or partial prepayment applied to reduce the unpaid principal balance of such Receivable; provided, however, that (i) the Principal Balance of a Defaulted
Receivable shall be zero as of the last day of the Collection Period during which it became a Defaulted Receivable and (ii) the Principal Balance of a Purchased Receivable shall be zero as of the last day of the Collection Period during which
it became a Purchased Receivable. 
 “Priority Principal Distributable Amount” shall mean, with respect to any Distribution
Date, the excess, if any, of the Note Balance of the Class A Notes as of the day preceding such Distribution Date over the Pool Balance as of the last day of the preceding Collection Period; provided, however, that the Priority
Principal Distributable Amount for each Distribution Date on and after the Class Final Distribution Date for any Class of Class A Notes shall equal the greater of (i) the amount otherwise calculated pursuant to this definition and
(ii) the outstanding principal balance of the Class A Notes of such Class as of the day preceding such Distribution Date. 

“Purchase Amount” shall mean, with respect to any Distribution Date and any Receivable to be repurchased by the Depositor or
purchased by the Servicer on such Distribution Date, an amount equal to the sum of (i) the Principal Balance of such Receivable plus (ii) the amount of accrued but unpaid interest on such Principal Balance at the related APR to but
excluding such Distribution Date. 
 “Purchased Receivable” shall mean a Receivable as to which payment of the Purchase
Amount has been made by the Depositor pursuant to Section 2.4 or by the Servicer pursuant to Section 3.7 or 9.1. 

“Quaternary Principal Distributable Amount” shall mean, with respect to any Distribution Date, (i) the excess, if any,
of the sum of the Note Balance of the Class A Notes, the Note Balance of the Class B Notes, the Note Balance of the Class C Notes and the Note Balance of the Class D Notes, in each case as of the day preceding such Distribution Date, over the
Pool Balance as of the last day of the preceding Collection Period minus (ii) the sum of the Priority Principal Distributable Amount, if any, for such Distribution Date, the Secondary Principal Distributable Amount, if any, for such
Distribution Date and the Tertiary Principal Distributable Amount, if any, for such Distribution Date; provided, however, that the Quaternary Principal Distributable Amount for each Distribution Date on and after the Class D Final
Distribution Date shall equal the greater of (i) the amount otherwise calculated pursuant to this definition and (ii) the outstanding principal balance of the Class D Notes as of the day preceding such Distribution Date. 

“Rating Agencies” shall mean Fitch and Moody’s and their respective successors; provided, however, that if
no such organization or successor is any longer in existence, Rating Agency shall mean a nationally recognized statistical rating organization or other comparable Person designated by the Trust, notice of which designation shall have been given to
the Indenture Trustee, the Owner Trustee and the Servicer. 

  
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 “Rating Agency Condition” shall mean, with respect to any action, a condition
that is satisfied if the person requesting such action (i) delivers a letter from each Rating Agency to the Depositor, the Seller, the Servicer, the Indenture Trustee and the Owner Trustee to the effect that such action will not result in a
reduction or withdrawal of the then-current rating assigned by such Rating Agency to any Class of Notes or (ii) provides ten (10) Business Days’ prior written notice of such action to each Rating Agency and such Rating Agency has not
notified the Depositor, the Seller, the Servicer, the Indenture Trustee and the Owner Trustee in writing that such action will result in a reduction or withdrawal of the then-current rating assigned by such Rating Agency to any Class of Notes. 

“Receivable” shall mean a motor vehicle retail installment sale contract identified on the Receivable Schedule (as such
contract may be amended, supplemented or otherwise modified and in effect from time to time). 
 “Receivable File” shall
mean, with respect to any Receivable, the electronic entries, documents, instruments and writings with respect to such Receivable specified in Section 2.5. 

“Receivable Schedule” shall mean the list identifying the Receivables attached as Schedule 1 to this Agreement (which
list may be in the form of microfiche or compact disk). 
 “Receivables Purchase Agreement” shall mean the Receivables
Purchase Agreement, dated as of August 1, 2015, between the Seller and the Depositor. 
 “Record Date” shall mean,
with respect to any Distribution Date, the close of business on the Business Day preceding such Distribution Date; provided, however, that if Definitive Notes have been issued with respect to any Class of Notes, Record Date shall mean,
with respect to any Distribution Date for such Class, the last Business Day of the calendar month preceding such Distribution Date. 

“Regular Principal Distributable Amount” shall mean, with respect to any Distribution Date, the lesser of (i) the Note
Balance as of the day preceding such Distribution Date and (ii) (A) the excess, if any, of (x) the sum of the Note Balance as of the day preceding such Distribution Date and the Overcollateralization Target Amount for such
Distribution Date over (y) the Pool Balance as of the last day of the preceding Collection Period minus (B) the sum of the Priority Principal Distributable Amount, if any, the Secondary Principal Distributable Amount, if any, the
Tertiary Principal Distributable Amount, if any, and the Quaternary Principal Distributable Amount, if any, in each case for such Distribution Date. 

“Regulation AB” shall mean Subpart 229.1100 – Asset-Backed Securities (Regulation AB), 17 C.F.R.
§§229.1100-229.1123, as such regulation may be amended, clarified or interpreted from time to time by the Commission or its staff. 

“Related Fiscal Quarter” shall mean (i) for any Distribution Date occurring in August, September or October, the Fiscal
Quarter ending on the last day of the preceding May, (ii) for any Distribution Date occurring in November, December or January, the Fiscal Quarter ending on the last day of the preceding August, (iii) for any Distribution Date occurring in
February, March or April, the Fiscal Quarter ending on the last day of the preceding November and (iv) for any Distribution Date occurring in May, June or July, the Fiscal Quarter ending on the last day of the preceding February. 

  
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 “Relevant UCC” shall mean the Uniform Commercial Code as in effect from time to
time in any relevant jurisdiction. 
 “Required Payment Amount” shall have, for any Distribution Date, the meaning
specified for such Distribution Date in Section 4.6(a). 
 “Required Rating” shall mean a short-term unsecured debt
rating of “F1+” by Fitch (if rated by Fitch) and “Prime-1” by Moody’s. 
 “Required Reserve Account
Amount” shall mean, for any Distribution Date, $2,500,000.03; provided, however, that the Required Reserve Account Amount for any Distribution Date shall not exceed the Note Balance as of such Distribution Date (after giving
effect to all payments of principal made to the Noteholders on such Distribution Date); and, provided further, that, if the Pool Balance as of the last day of the preceding Collection Period is zero, the Required Reserve Account Amount
for the related Distribution Date shall be $0; and, provided further, that, if, pursuant to Section 4.1(d), all amounts on deposit in the Reserve Account on such Distribution Date are transferred from the Reserve Account to the
Collection Account and included in Available Funds for purposes of application pursuant to Section 2.8(a) of the Indenture on such Distribution Date, the Required Reserve Account Amount for such Distribution Date shall be $0. 

“Reserve Account” shall mean the account established and maintained as such pursuant to Section 4.7(a). 

“Reserve Account Amount” shall mean, for any Distribution Date, the amount on deposit in and available for withdrawal from
the Reserve Account on such Distribution Date (after giving effect to all deposits to and withdrawals from the Reserve Account on the preceding Distribution Date, or, in the case of the initial Distribution Date, the Closing Date), including all
interest and other income (net of losses and investment expenses) earned on such amount during the preceding Collection Period. 

“Reserve Account Deficiency” shall have, for any Distribution Date, the meaning specified for such Distribution Date in
Section 4.6(b). 
 “Reserve Account Draw Amount” shall have the meaning specified in Section 4.6(b). 

“Reserve Account Property” shall have the meaning specified in Section 4.7(a). 

“Responsible Officer” shall mean (i) in the case of the Indenture Trustee, any managing director, principal, vice
president, assistant vice president, assistant secretary, assistant treasurer or trust officer of the Indenture Trustee or any other officer of the Indenture Trustee customarily performing functions similar to those performed by any of the above
designated officers and, with respect to a particular corporate trust matter, any other officer of the Indenture Trustee to whom such matter is referred because of such officer’s knowledge of and familiarity


  
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with the particular subject and (ii) in the case of the Owner Trustee, any vice president, assistant vice president, assistant secretary, assistant treasurer, senior associate, trust officer
or financial services officer of the Owner Trustee or any other officer of the Owner Trustee customarily performing functions similar to those performed by any of the above designated officers and with direct responsibility for the administration of
the Trust and, with respect to a particular corporate trust matter, any other officer of the Owner Trustee to whom such matter is referred because of such officer’s knowledge of and familiarity with the particular subject. 

“Scheduled Payment” shall mean, for any Receivable, each payment required to be made by the related Obligor in accordance
with the terms of such Receivable (after giving effect to any deferral of payments pursuant to Section 3.2 or any rescheduling of payments as a result of any Insolvency Event with respect to such Obligor). 

“Secondary Principal Distributable Amount” shall mean, with respect to any Distribution Date, (i) the excess, if any, of
the sum of the Note Balance of the Class A Notes and the Note Balance of the Class B Notes, in each case as of the day preceding such Distribution Date, over the Pool Balance as of the last day of the preceding Collection Period minus
(ii) the Priority Principal Distributable Amount, if any, for such Distribution Date; provided, however, that the Secondary Principal Distributable Amount for each Distribution Date on and after the Class B Final Distribution Date
shall equal the greater of (i) the amount otherwise calculated pursuant to this definition and (ii) the outstanding principal balance of the Class B Notes as of the day preceding such Distribution Date. 

“Securities” shall have the meaning specified in Section 6.7(a). 

“Securities Act” shall mean the Securities Act of 1933. 

“Securitization Trust” shall have the meaning specified in Section 6.7(a). 

“Seller” shall mean CarMax, in its capacity as seller of the Receivables under the Receivables Purchase Agreement, and its
successors in such capacity. 
 “Servicer” shall mean CarMax, in its capacity as servicer of the Receivables under this
Agreement, and its successors in such capacity (including the Indenture Trustee if the Indenture Trustee is appointed successor Servicer pursuant to Section 8.2(a)). 

“Servicer’s Certificate” shall have the meaning specified in Section 3.9. 

“Servicing Officer” shall mean any officer of the Servicer involved in, or responsible for, the administration and servicing
of the Receivables whose name appears on a list of servicing officers attached to an Officer’s Certificate furnished on the Closing Date to the Owner Trustee and the Indenture Trustee by the Servicer, as such list may be amended from time to
time by the Servicer in writing. 
 “Servicing Rate” shall mean 1.00% per annum. 

  
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 “Simple Interest Advance” shall mean, with respect to a Simple Interest
Receivable, the amount, as of the last day of a Collection Period, which is advanced with respect to such Simple Interest Receivable by the Servicer pursuant to Section 4.4(a). 

“Simple Interest Method” shall mean the method of allocating a fixed level payment between principal and interest, pursuant
to which such payment is allocated, first, to interest in an amount equal to the product of the APR of the related Receivable multiplied by the unpaid Principal Balance of such Receivable multiplied by the period of time (expressed as a fraction of
a year, based on the actual number of days in the applicable calendar month and a 365-day year) elapsed since the preceding payment was made, then to any applicable late charges, then to principal due on the date of payment, then to any other fees
due under the related Receivable that are not included in the related Amount Financed and then to reduce further the principal balance of such Receivable. 

“Simple Interest Receivable” shall mean any Receivable under which each payment is allocated in accordance with the Simple
Interest Method. 
 “Special Unrated Servicer Tangible Net Worth Event” shall mean, as of any Distribution Date, the
failure of CarMax, Inc. to have, as of the last day of the Related Fiscal Quarter, a Consolidated Tangible Net Worth of at least $1,000,000,000. 

“State” shall mean any of the 50 states of the United States or the District of Columbia. 

“Supplemental Servicing Fees” means any late, prepayment and other administrative fees and expenses collected during a
Collection Period 
 “Tertiary Principal Distributable Amount” shall mean, with respect to any Distribution Date,
(i) the excess, if any, of the sum of the Note Balance of the Class A Notes, the Note Balance of the Class B Notes and the Note Balance of the Class C Notes, in each case as of the day preceding such Distribution Date, over the Pool
Balance as of the last day of the preceding Collection Period minus (ii) the sum of the Priority Principal Distributable Amount, if any, for such Distribution Date and the Secondary Principal Distributable Amount, if any, for such
Distribution Date; provided, however, that the Tertiary Principal Distributable Amount for each Distribution Date on and after the Class C Final Distribution Date shall equal the greater of (i) the amount otherwise calculated
pursuant to this definition and (ii) the outstanding principal balance of the Class C Notes as of the day preceding such Distribution Date. 

“Total Note Interest” shall mean, for any Distribution Date and any Class of Notes, the sum of (i) the Monthly Note
Interest for such Distribution Date for such Class plus (ii) the Additional Note Interest for such Distribution Date for such Class. 

“Total Servicing Fee” shall mean, for any Collection Period, the sum of (i) the Monthly Servicing Fee for such
Collection Period plus (ii) all accrued but unpaid Monthly Servicing Fees for previous Collection Periods. 

“Transition Costs” shall have the meaning specified in Section 8.2(b). 

  
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 “Trust” shall mean the CarMax Auto Owner Trust 2015-3, a Delaware statutory
trust. 
 “Trust Agreement” shall mean the Amended and Restated Trust Agreement, dated as of August 1, 2015, between
the Depositor and the Owner Trustee, as amended, supplemented or otherwise modified and in effect from time to time. 
 “Trust
Fiscal Year” shall mean the period commencing on March 1 of any year and ending on February 28 (or February 29, if applicable) of the following year. 

“Trust Property” shall mean the Receivables and the other related property sold, transferred, assigned and otherwise conveyed
by the Depositor to the Trust pursuant to Section 2.1(a). 
 “United States” shall mean the United States of America.

 “Unreimbursed Servicer Advance” shall mean a Simple Interest Advance which the Servicer determines in its sole
discretion is unrecoverable. 
 1.2 Other Definitional Provisions. 

(a) Capitalized terms used herein and not otherwise defined herein have the meanings assigned to them in the Indenture. 

(b) All terms defined in this Agreement shall have the defined meanings when used in any certificate or other document made or delivered
pursuant hereto unless otherwise defined therein. 
 (c) As used in this Agreement and in any certificate or other document made or
delivered pursuant hereto or thereto, accounting terms not defined in this Agreement or in any such certificate or other document, and accounting terms partly defined in this Agreement or in any such certificate or other document to the extent not
defined, shall have the respective meanings assigned to them under generally accepted accounting principles. To the extent that the definitions of accounting terms in this Agreement or in any such certificate or other document are inconsistent with
the meanings of such terms under generally accepted accounting principles, the definitions contained in this Agreement or in any such certificate or other document shall control. 

(d) The words “hereof,” “herein,” and “hereunder” and words of similar import when used in this Agreement shall
refer to this Agreement as a whole and not to any particular provision of this Agreement. Article, Section, Schedule and Exhibit references contained in this Agreement are references to Articles, Sections, Schedules and Exhibits in or to this
Agreement unless otherwise specified. The term “including” shall mean “including without limitation.” 
 (e) The
definitions contained in this Agreement are applicable to the singular as well as the plural forms of such terms and to the masculine as well as to the feminine and neuter genders of such terms. 

(f) Any agreement, instrument or statute defined or referred to herein or in any instrument or certificate delivered in connection herewith
means such agreement, instrument or statute as from time to time amended, modified or supplemented and includes (in the case of agreements or instruments) references to all attachments thereto and instruments incorporated therein. References to a
Person are also to its permitted successors and assigns. 

  
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 ARTICLE II 

TRUST PROPERTY 
 2.1 Conveyance
of Trust Property. 
 (a) In consideration of the Trust’s delivery to, or upon the written order of, the Depositor of authenticated
Notes, in authorized denominations in aggregate principal amounts equal to the Initial Note Balance, and authenticated Certificates, the Depositor hereby irrevocably sells, transfers, assigns, sets over and otherwise conveys to the Trust, without
recourse (subject to the obligations herein), all right, title and interest of the Depositor, whether now owned or hereafter acquired, in, to and under the following: 

(i) the Receivables; 

(ii) all amounts received on or in respect of the Receivables after the Cutoff Date; 

(iii) the security interests in the Financed Vehicles granted by the Obligors pursuant to the Receivables and any other
interest of the Depositor in such Financed Vehicles; 
 (iv) all proceeds from claims on or refunds of premiums with respect
to physical damage, theft, GAP, credit life or credit disability insurance policies relating to the Financed Vehicles or the Obligors; 

(v) the Receivable Files; 

(vi) the Collection Account, the Note Payment Account, the Certificate Payment Account and the Reserve Account and all amounts,
securities, financial assets, investments and other property deposited in or credited to any of the foregoing and all proceeds thereof; 

(vii) all rights of the Depositor under the Receivables Purchase Agreement, including the right to require the Seller to
repurchase Receivables from the Depositor; 
 (viii) the right to realize upon any property (including the right to receive
future Liquidation Proceeds) that shall have secured a Receivable and have been repossessed by or on behalf of the Trust; and 

(ix) all present and future claims, demands, causes of action and choses in action in respect of any or all of the foregoing
and all payments on or under and all 

  
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proceeds of every kind and nature whatsoever in respect of any or all of the foregoing, including all proceeds of the conversion thereof, voluntary or involuntary, into cash or other liquid
property; all accounts, general intangibles, chattel paper, instruments, documents, money, investment property, deposit accounts, letters of credit, letter-of-credit rights, insurance proceeds, condemnation awards, rights to payment of any and every
kind and other forms of obligations; and all other property which at any time constitutes all or part of or is included in the proceeds of any of the foregoing. 

(b) The Depositor and the Trust intend that the transfer of the Trust Property contemplated by Section 2.1(a) constitute a sale of the
Trust Property, conveying good title to the Trust Property, from the Depositor to the Trust. If such transfer is deemed to be a pledge to secure the payment of the Notes, however, the Depositor hereby grants to the Trust a first priority security
interest in all of the Depositor’s right, title and interest in, to and under the Trust Property, and all proceeds thereof, to secure the payment of the Notes, and in such event, this Agreement shall constitute a security agreement under
applicable law. 
 (c) The sale, transfer, assignment and conveyance of the Trust Property made under Section 2.1(a) shall not
constitute and is not intended to result in an assumption by the Trust of any obligation of the Depositor or the Seller to the Obligors or any other Person in connection with the Receivables and the other Trust Property or any obligation of the
Depositor or the Seller under any agreement, document or instrument related thereto. 
 2.2 Representations and Warranties of the Seller
as to the Receivables. The Seller has made to the Depositor the representations and warranties as to the Receivables set forth in Section 3.2(b) of the Receivables Purchase Agreement. The Trust shall be deemed to have relied on such
representations and warranties in accepting the Receivables. The representations and warranties set forth in Section 3.2(b) of the Receivables Purchase Agreement speak as of the execution and delivery of this Agreement, except to the extent
otherwise provided, but shall survive the sale, transfer, assignment and conveyance of the Receivables to the Trust pursuant to this Agreement and the pledge of the Receivables to the Indenture Trustee pursuant to the Indenture. Pursuant to
Section 2.1, the Depositor has sold, transferred, assigned, set over and otherwise conveyed to the Trust, as part of the Trust Property, its rights under the Receivables Purchase Agreement, including its right to require the Seller to
repurchase Receivables in accordance with the Receivables Purchase Agreement upon a breach of the representations and warranties set forth in Section 3.2(b) of the Receivables Purchase Agreement. 

2.3 Representations and Warranties of the Depositor as to the Receivables. The Depositor makes the following representations and
warranties as to the Receivables on which the Trust shall be deemed to have relied in accepting the Receivables. The representations and warranties speak as of the Closing Date, except to the extent otherwise provided, but shall survive the sale,
transfer, assignment and conveyance of the Receivables to the Trust pursuant to this Agreement and the pledge of the Receivables to the Indenture Trustee pursuant to the Indenture. 

(a) Characteristics of Receivables. Each Receivable (i) has been originated by CarMax Auto or an Affiliate of CarMax Auto in the
United States in the ordinary course of 

  
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business in connection with the sale of a new or used motor vehicle and has been fully and properly executed by the parties thereto, (ii) contains customary and enforceable provisions such
that the rights and remedies of the holder thereof are adequate for realization against the collateral of the benefits of the security, (iii) provides for level scheduled monthly payments that fully amortize the Amount Financed by maturity
(except that the period between the date of such Receivable and the date of the first Scheduled Payment may be less than or greater than one month and the amount of the first and last Scheduled Payments may be less than or greater than the level
payments) and yield interest at the related APR, (iv) provides for, in the event that such Receivable is prepaid, a prepayment that fully pays the Principal Balance of such Receivable with interest at the related APR through the date of
payment, (v) is a retail installment sale contract substantially in the form of Exhibit B to the Receivables Purchase Agreement, (vi) is secured by a new or used motor vehicle that had not been repossessed as of the Cutoff Date,
(vii) is a Simple Interest Receivable, (viii) relates to an Obligor who has made at least one payment under such Receivable as of the Cutoff Date and (ix) relates to an Obligor whose mailing address is located in any State. 

(b) Receivable Schedule. The information set forth in the Receivable Schedule was true and correct in all material respects as of the
close of business on the Cutoff Date, and no selection procedures believed to be adverse to the Depositor and/or the Noteholders were utilized in selecting the Receivables from those retail installment sale contracts which met the criteria contained
in this Agreement. The information set forth in the compact disk or other listing regarding the Receivables made available to the Depositor and its assigns (which compact disk or other listing is required to be delivered as specified herein) is true
and correct in all material respects. 
 (c) Compliance with Law. Each Receivable and the sale of the related Financed Vehicle
complied, at the time such Receivable was originated and complies, as of the Closing Date, in all material respects with all requirements of applicable federal, State and local laws, and regulations thereunder, including usury laws, the Federal
Truth-in-Lending Act, the Equal Credit Opportunity Act, the Fair Credit Reporting Act, the Fair Debt Collection Practices Act, the Federal Trade Commission Act, the Magnuson-Moss Warranty Act, the Consumer Financial Protection Bureau’s
Regulations B and Z, the Servicemembers Civil Relief Act, State adaptations of the National Consumer Act and the Uniform Consumer Credit Code and any other consumer credit, equal opportunity and disclosure laws applicable to such Receivable and
sale. 
 (d) Binding Obligation. Each Receivable represents the genuine, legal, valid and binding payment obligation in writing of
the related Obligor, enforceable by the holder thereof in all material respects in accordance with its terms, except as enforceability may be limited by bankruptcy, insolvency, reorganization, liquidation or other similar laws affecting the
enforcement of creditors’ rights generally and by general principles of equity. 
 (e) No Government Obligor. No Receivable is
due from the United States or any State or from any agency, department or instrumentality of the United States or any State. 
 (f)
Security Interest in Financed Vehicles. Immediately prior to the transfer of the Receivables by the Seller to the Depositor, each Receivable was secured by a valid, binding and enforceable first priority perfected security interest in favor
of the Seller in the 

  
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related Financed Vehicle, which security interest has been validly assigned by the Seller to the Depositor. The Servicer has received, or will receive within 180 days after the Closing Date,
the original certificate of title for each Financed Vehicle (other than any Financed Vehicle that is subject to a certificate of title statute or motor vehicle registration law that does not require that the original certificate of title for such
Financed Vehicle be delivered to the Seller). 
 (g) Receivables in Force. No Receivable has been satisfied, subordinated or
rescinded, nor has any Financed Vehicle been released in whole or in part from the Lien granted by the related Receivable. 
 (h) No
Waiver. No provision of any Receivable has been waived in such a manner that such Receivable fails to meet all of the representations and warranties made by the Depositor in this Section 2.3 with respect thereto. 

(i) No Defenses. No Receivable is subject to any right of rescission, setoff, counterclaim or defense, including the defense of usury,
and the operation of any of the terms of any Receivable, or the exercise of any right thereunder, will not render such Receivable unenforceable in whole or in part or subject to any right of rescission, setoff, counterclaim or defense, including the
defense of usury, and the Depositor has no knowledge of any such right of rescission, setoff, counterclaim or defense being asserted or threatened with respect to any Receivable. 

(j) No Liens. The Depositor has no knowledge of any liens or claims that have been filed, including liens for work, labor or materials
or for unpaid State or federal taxes, relating to any Financed Vehicle that are prior to, or equal or coordinate with, the security interest in such Financed Vehicle created by the related Receivable. 

(k) No Default. Except for payment defaults continuing for a period of not more than 30 days as of the Cutoff Date, the Depositor has
no knowledge that any default, breach, violation or event permitting acceleration under the terms of any Receivable has occurred or that any continuing condition that with notice or the lapse of time or both would constitute a default, breach,
violation or event permitting acceleration under the terms of any Receivable has arisen, and the Depositor has not waived any such event or condition. 

(l) Title. The Depositor has purchased the Receivables from the Seller. The Depositor intends that the transfer of the Receivables
contemplated by Section 2.1 constitute a sale of the Receivables from the Depositor to the Trust and that the beneficial interest in, and title to, the Receivables not be part of the Depositor’s estate in the event of the filing of a
bankruptcy petition by or against the Depositor under any bankruptcy law. The Depositor has not sold, transferred, assigned or pledged any Receivable to any Person other than the Trust. The Depositor has not created, incurred or suffered to exist
any Lien, encumbrance or security interest on any Receivable except for the Lien of the Receivables Purchase Agreement, this Agreement and the Indenture. 

(m) Security Interest Matters. This Agreement creates a valid and continuing “security interest” (as defined in the Relevant
UCC) in the Receivables in favor of the Trust, which security interest is prior to all other Liens and is enforceable as such as against creditors of 

  
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and purchasers from the Depositor. With respect to each Receivable, the Seller has taken all steps necessary to perfect its security interest against the related Obligor in the related Financed
Vehicle. The Receivables constitute “tangible chattel paper” (as defined in the Relevant UCC). The Depositor owns and has good and marketable title to the Receivables free and clear of any Lien, claim or encumbrance of any Person. The
Depositor has caused or will cause prior to the Closing Date the filing of all appropriate financing statements in the proper filing offices in the appropriate jurisdictions under applicable law necessary to perfect the security interest in the
Receivables granted to the Trust under this Agreement. Other than the security interest granted to the Trust under this Agreement, the Depositor has not pledged, assigned, sold, granted a security interest in or otherwise conveyed any of the
Receivables. The Depositor has not authorized the filing of and is not aware of any financing statements against the Depositor that include a description of collateral covering the Receivables other than any financing statement relating to the
security interest granted to the Trust under this Agreement or that has been terminated. The Depositor is not aware of any judgment or tax lien filings against the Depositor. The security interest of the Seller in each Financed Vehicle has been
validly assigned by the Depositor to the Trust. 
 (n) Financing Statements. All financing statements filed or to be filed against
the Depositor in favor of the Indenture Trustee (as assignee of the Trust) contain a statement substantially to the following effect: “A purchase of or security interest in any collateral described in this financing statement will violate the
rights of the Indenture Trustee.” 
 (o) Valid Assignment. No Receivable has been originated in, or is subject to the laws of,
any jurisdiction under which the sale, transfer, assignment and conveyance of such Receivable under the Receivables Purchase Agreement or this Agreement or the pledge of such Receivable under the Indenture is unlawful, void or voidable or under
which such Receivable would be rendered void or voidable as a result of any such sale, transfer, assignment, conveyance or pledge. The Depositor has not entered into any agreement with any account debtor that prohibits, restricts or conditions the
assignment of the Receivables. 
 (p) One Original. There is only one original executed copy of each Receivable. 

(q) Principal Balance. Each Receivable had a remaining Principal Balance as of the Cutoff Date of not less than $500. 

(r) No Bankrupt Obligors. As of the Cutoff Date, no Receivable was due from an Obligor that was the subject of a proceeding under the
Bankruptcy Code of the United States or was bankrupt. 
 (s) New and Used Vehicles. As of the Cutoff Date, approximately 0.73% of the
Pool Balance related to Receivables secured by new Financed Vehicles and approximately 99.27% of the Pool Balance related to Receivables secured by used Financed Vehicles. 

(t) Origination. Each Receivable was originated after April 27, 2009. 

  
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 (u) Term to Maturity. Each Receivable had an original term to maturity of not more than 72
months and not less than 12 months and a remaining term to maturity as of the Cutoff Date of not more than 71 months and not less than 3 months. 

(v) Weighted Average Remaining Term to Maturity. As of the Cutoff Date, the weighted average remaining term to maturity of the
Receivables was approximately 63.52 months. 
 (w) Annual Percentage Rate. Each Receivable has an APR of not more than 25.00%. 

(x) Location of Receivable Files. The Receivable Files are maintained at the location listed in Schedule 2 to this Agreement.

 (y) Simple Interest Method. All payments with respect to the Receivables have been allocated consistently in accordance with the
Simple Interest Method. 
 (z) No Delinquent Receivables. As of the Cutoff Date, no payment due under any Receivable was more than 30
days past due. 
 (aa) Insurance. Each Obligor has obtained or agreed to obtain physical damage insurance (which insurance shall not
be force placed insurance) covering the related Financed Vehicle in accordance with the Seller’s normal requirements. 
 (bb) Fair
Market Value. The Receivables Purchase Price represents the fair market value of the Receivables. 
 (cc) Custodial Agreements.
Immediately prior to the transfer of the Receivables by the Seller to the Depositor, the Seller or an Affiliate of the Seller had possession of the Receivable Files and there were no, and there will not be any, custodial agreements in effect
materially adversely affecting the right or ability of the Seller to make, or cause to be made, any delivery required under this Agreement. 

(dd) Bulk Transfer Laws. The transfer of the Receivables and the Receivable Files by the Depositor to the Trust pursuant to this
Agreement is not subject to the bulk transfer laws or any similar statutory provisions in effect in any applicable jurisdiction. 
 (ee)
No Transfer Restrictions. The Depositor has not created, incurred or suffered to exist any restriction on transferability of the Receivables except for the restrictions on transferability imposed by this Agreement. 

2.4 Repurchase by Depositor upon Breach. The Depositor, the Servicer or the Administrator (on behalf of the Trust), as the case may be,
shall inform the other parties to this Agreement, the Seller and the Indenture Trustee promptly, in writing, upon the discovery of any breach or failure to be true of the representations and warranties set forth in Section 2.3. If such breach
or failure shall not have been cured by the close of business on the last day of the Collection Period which includes the 30th day after the date on which the Depositor becomes aware of, or receives written notice from the Servicer or the
Administrator (on behalf of the 

  
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Trust) of, such breach or failure, and such breach or failure materially and adversely affects the interest of the Trust in a Receivable, the Depositor shall repurchase such Receivable from the
Trust on the Distribution Date immediately following such Collection Period. In consideration of the repurchase of a Receivable hereunder, the Depositor shall remit the Purchase Amount of such Receivable in the manner specified in Section 4.5.
The sole remedy of the Trust, the Owner Trustee, the Indenture Trustee, the Noteholders and the Certificateholders with respect to a breach or failure to be true of the representations and warranties set forth in Section 2.3 shall be to require
the Depositor to repurchase Receivables pursuant to this Section 2.4. None of the Administrator, the Owner Trustee or the Indenture Trustee shall have any duty to conduct an affirmative investigation as to the occurrence of any condition
requiring the repurchase of any Receivable pursuant to this Section 2.4 or the eligibility of any Receivable for purposes of this Agreement. 

2.5 Custody of Receivable Files. To assure uniform quality in servicing the Receivables and to reduce administrative costs, the Trust,
upon the execution and delivery of this Agreement, hereby revocably appoints the Servicer as its agent, and the Servicer hereby accepts such appointment, to act as custodian on behalf of the Trust and the Indenture Trustee of the following documents
or instruments, which are hereby constructively delivered to the Indenture Trustee, as pledgee of the Trust pursuant to the Indenture with respect to each Receivable (collectively, a “Receivable File”): 

(i) the original, executed copy of such Receivable; 

(ii) the original credit application with respect to such Receivable fully executed by the related Obligor or a photocopy
thereof or a record thereof on a computer file or disc or on microfiche; 
 (iii) the original certificate of title for the
related Financed Vehicle or such other documents that the Seller or the Servicer shall keep on file, in accordance with its customary practices and procedures, evidencing the security interest of the Seller in such Financed Vehicle; 

(iv) documents evidencing the commitment of the related Obligor to maintain physical damage insurance covering the related
Financed Vehicle; and 
 (v) any and all other documents (including any computer file or disc or microfiche) that the Seller
or the Servicer shall keep on file, in accordance with its customary practices and procedures, relating to such Receivable, the related Obligor or the related Financed Vehicle. 

On the Closing Date, the Servicer shall deliver to the Trust and the Indenture Trustee an Officer’s Certificate confirming that the
Servicer has received, on behalf of the Trust and the Indenture Trustee, all the documents and instruments necessary for the Servicer to act as the agent of the Trust and the Indenture Trustee for the purposes set forth in this Section 2.5,
including the documents referred to herein, and the Trust and the Indenture Trustee are hereby authorized to rely on such Officer’s Certificate. In addition, within 180 days after the Closing Date, the Servicer shall deliver to the Trust and
the Indenture Trustee an Officer’s Certificate 

  
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certifying that the Servicer has received the original certificate of title for each Financed Vehicle except each Financed Vehicle securing an outstanding Receivable for which the Servicer has
not received the original certificate of title as shall be identified in such Officer’s Certificate (and indicating whether such Financed Vehicle is subject to a certificate of title statute or motor vehicle registration law that requires that
the original certificate of title for such Financed Vehicle be delivered to the Seller). 
 2.6 Duties of Servicer as Custodian. 

(a) Safekeeping. The Servicer, in its capacity as custodian, shall hold the Receivable Files for the benefit of the Trust and the
Indenture Trustee and maintain such accurate and complete accounts, records and computer systems pertaining to each Receivable File as shall enable the Servicer and the Trust to comply with the terms and provisions of this Agreement and the
Indenture Trustee to comply with the terms and conditions of the Indenture. In performing its duties as custodian, the Servicer shall act with reasonable care, using that degree of skill and attention that the Servicer exercises with respect to the
files relating to comparable motor vehicle retail installment sale contracts that the Servicer services for itself or others. The Servicer shall conduct, or cause to be conducted, in accordance with its customary practices and procedures, periodic
audits of the Receivable Files held by it under this Agreement, and of the related accounts, records and computer systems, in such a manner as shall enable the Trust or the Indenture Trustee to verify the accuracy of the Servicer’s record
keeping. The Servicer shall promptly report to the Owner Trustee and the Indenture Trustee any failure on its part to hold the Receivable Files and maintain its accounts, records and computer systems as herein provided and promptly take appropriate
action to remedy any such failure. Nothing herein shall be deemed to require an initial review or any periodic review by the Trust, the Owner Trustee or the Indenture Trustee of the Receivable Files, and none of the Trust, the Owner Trustee or the
Indenture Trustee shall be liable or responsible for any action or failure to act by the Servicer in its capacity as custodian hereunder. 

(b) Maintenance of and Access to Records. The Servicer shall maintain each Receivable File at the location listed in Schedule 2
or at such other location as shall be specified to the Trust, the Owner Trustee and the Indenture Trustee by written notice not later than ninety (90) days after any change in location. The Servicer shall make available to the Owner Trustee and
the Indenture Trustee or its duly authorized representatives, attorneys or auditors, a list of locations of the Receivable Files, the Receivable Files, and the related accounts, records, and computer systems maintained by the Servicer, at such times
as the Trust or the Indenture Trustee shall instruct. 
 (c) Release of Documents. As soon as practicable after receiving written
instructions from the Indenture Trustee, the Servicer shall release any document in the Receivable Files to the Indenture Trustee, the Indenture Trustee’s agent or the Indenture Trustee’s designee, as the case may be, at such place as the
Indenture Trustee may reasonably designate. 
 (d) Title to Receivables. The Servicer shall not at any time have or in any way
attempt to assert any interest in any Receivable held by it as custodian hereunder or in the related Receivable File other than for collecting or enforcing such Receivable for the benefit of the Trust. The entire equitable interest in such
Receivable and the related Receivable File shall at all times be vested in the Trust. 

  
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 2.7 Instructions; Authority to Act. The Servicer shall be deemed to have received proper
instructions with respect to the Receivable Files upon its receipt of written instructions signed by an Authorized Officer. A certified copy of excerpts of authorizing resolutions of the Board of Directors of the Indenture Trustee shall constitute
conclusive evidence of the authority of any such Authorized Officer to act and shall be considered in full force and effect until receipt by the Servicer of written notice to the contrary given by the Indenture Trustee. 

2.8 Indemnification by the Custodian. The Servicer, in its capacity as custodian, shall indemnify and hold harmless the Trust, the
Owner Trustee and the Indenture Trustee and each of their respective officers, directors, employees and agents from and against any and all liabilities, obligations, losses, compensatory damages, payments, costs or expenses (including legal fees if
any) of any kind whatsoever that may be imposed on, incurred or asserted against the Trust, the Owner Trustee or the Indenture Trustee or any of their respective officers, directors, employees and agents as the result of any act or omission by the
Servicer relating to the maintenance and custody of the Receivable Files; provided, however, that the Servicer shall not be liable hereunder to the Owner Trustee or the Indenture Trustee, as applicable, to the extent that such
liabilities, obligations, losses, compensatory damages, payments, costs or expenses result from the willful misfeasance, bad faith or negligence of the Owner Trustee or the Indenture Trustee, as applicable. 

2.9 Effective Period and Termination. The Servicer’s appointment as custodian shall become effective as of the Cutoff Date and
shall continue in full force and effect until terminated pursuant to this Section 2.9. If the Servicer shall resign as Servicer under Section 7.6, or if all of the rights and obligations of the Servicer shall have been terminated under
Section 8.1, the appointment of the Servicer as custodian hereunder may be terminated (i) by the Trust, with the consent of the Indenture Trustee, (ii) by the Holders of Notes evidencing not less than 25% of the Note Balance of the
Controlling Class or, if the Notes have been paid in full, by the Holders of Certificates evidencing not less than 25% of the aggregate Certificate Percentage Interest or (iii) by the Owner Trustee, with the consent of the Holders of Notes
evidencing not less than 25% of the Note Balance of the Controlling Class, in each case by notice then given in writing to the Depositor and the Servicer (with a copy to the Indenture Trustee and the Owner Trustee if given by the Noteholders or the
Certificateholders). As soon as practicable after any termination of such appointment, the Servicer shall deliver, or cause to be delivered, the Receivable Files and the related accounts and records maintained by the Servicer to the Indenture
Trustee, the Indenture Trustee’s agent or the Indenture Trustee’s designee, as the case may be, at such place as the Indenture Trustee may reasonably designate or, if the Notes have been paid in full, at such place as the Owner Trustee may
reasonably designate. 

  
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 ARTICLE III 

ADMINISTRATION AND SERVICING OF RECEIVABLES AND 

OTHER TRUST PROPERTY 
 3.1
Duties of Servicer. The Servicer shall administer the Receivables with reasonable care. The Servicer’s duties shall include, but not be limited to, the collection and posting of all payments, responding to inquiries by Obligors on the
Receivables, or by federal, State or local governmental authorities, investigating delinquencies, reporting tax information to Obligors, furnishing monthly and annual statements to the Owner Trustee and the Indenture Trustee with respect to
distributions and providing collection and repossession services in the event of Obligor default. In performing its duties as Servicer hereunder, the Servicer shall use reasonable care and exercise that degree of skill and attention that the
Servicer exercises with respect to all comparable motor vehicle retail installment sale contracts that it services for itself or others. Subject to the foregoing and to Section 3.2, the Servicer shall follow its customary standards, policies,
practices and procedures in performing its duties hereunder as Servicer. Without limiting the generality of the foregoing, the Servicer is hereby authorized and empowered to execute and deliver, on behalf of itself, the Depositor, the Trust, the
Owner Trustee, the Indenture Trustee, the Certificateholders, the Noteholders or any one or more of them, any and all instruments of satisfaction or cancellation, or of partial or full release or discharge, and all other comparable instruments, with
respect to the Receivables or the Financed Vehicles, all in accordance with this Agreement; provided, however, that, notwithstanding the foregoing, the Servicer shall not, except pursuant to an order from a court of competent
jurisdiction, release an Obligor from payment of any unpaid amount under any Receivable or waive the right to collect the unpaid balance (including accrued interest) of any Receivable from the related Obligor, except in connection with a de minimis
deficiency which the Servicer would not attempt to collect in accordance with its customary procedures, in which event the Servicer shall indemnify the Trust for such deficiency. If the Servicer shall commence a legal proceeding to enforce a
Receivable, the Trust shall thereupon be deemed to have automatically assigned such Receivable to the Servicer, which assignment shall be solely for purposes of collection. If in any enforcement suit or legal proceeding it shall be held that the
Servicer may not enforce a Receivable on the ground that it shall not be a real party in interest or a holder entitled to enforce such Receivable, the Trust shall (or the Administrator on behalf of the Trust shall), at the Servicer’s expense
and written direction, take steps to enforce such Receivable, including bringing suit in its name or the names of the Indenture Trustee, the Certificateholders, the Noteholders or any of them. The Trust shall execute and deliver to the Servicer any
powers of attorney and other documents as shall be prepared by the Servicer and reasonably necessary or appropriate to enable the Servicer to carry out its servicing and administrative duties hereunder. The Servicer, at its expense, shall obtain on
behalf of the Trust all licenses, if any, required by the laws of any jurisdiction to be held by the Trust in connection with ownership of the Receivables and shall make all filings and pay all fees as may be required in connection therewith during
the term hereof. If the Servicer fails to perform its obligations under this Agreement and the Indenture Trustee or any other successor Servicer is appointed as Servicer in accordance with Section 8.2, such successor Servicer shall be
responsible for the Servicer’s duties under this Agreement except as specified in Section 8.2; provided, however, that such successor Servicer shall not be liable for the terminated Servicer’s failure to perform such
obligations. 

  
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 3.2 Collection and Allocation of Receivable Payments. The Servicer shall make reasonable
efforts to collect all payments called for under the terms and provisions of the Receivables as and when the same shall become due and otherwise act with respect to the Receivables and the other Trust Property in such manner as will, in the
reasonable judgment of the Servicer, maximize the amount to be received by the Trust with respect thereto and in accordance with the standard of care required by Section 3.1. The Servicer shall allocate collections on or in respect of the
Receivables between principal and interest in accordance with the customary servicing practices and procedures it follows with respect to all comparable motor vehicle retail installment sale contracts that it services for itself or others. The
Servicer shall not increase or decrease the number or amount of any Scheduled Payment, the Amount Financed under any Receivable or the APR of any Receivable, or extend, rewrite or otherwise modify the payment terms of any Receivable;
provided, however, that the Servicer may, in its sole discretion, extend the due date for one or more payments due on any Receivable for credit-related reasons that would be acceptable to the Servicer with respect to comparable motor
vehicle retail installment sale contracts that it services for itself or others and in accordance with its customary standards, policies, practices and procedures if the cumulative extensions with respect to any Receivable shall not cause the term
of such Receivable to extend beyond the Final Scheduled Maturity Date. If the Servicer fails to comply with the provisions of the preceding sentence, the Servicer shall be required to purchase each Receivable affected thereby for the related
Purchase Amount, in the manner specified in Section 3.7, as of the close of the Collection Period during which such failure occurs. The Servicer may, in its discretion (but only in accordance with its customary standards, policies, practices
and procedures), waive any late payment charge or any other fee that may be collected in the ordinary course of servicing a Receivable. 

3.3 Realization upon Receivables. The Servicer shall use reasonable efforts on behalf of the Trust, in accordance with the standard of
care required under Section 3.1, to repossess or otherwise convert the ownership of each Financed Vehicle securing a Defaulted Receivable. In taking such action, the Servicer shall follow such customary practices and procedures as it shall deem
necessary or advisable in its servicing of comparable motor vehicle retail installment sale contracts and as are otherwise consistent with the standard of care required under Section 3.1. The Servicer shall be entitled to recover all reasonable
expenses incurred by it in the course of repossessing and liquidating a Financed Vehicle into cash proceeds, but only out of the cash proceeds of such Financed Vehicle and any deficiency obtained from the related Obligor. If a Financed Vehicle shall
have suffered damage, the Servicer shall not expend funds in connection with the repair or the repossession of such Financed Vehicle unless it shall determine in its discretion that such repair and/or repossession will increase the Liquidation
Proceeds received with respect to the related Receivable. 
 3.4 Physical Damage Insurance. The Servicer shall follow its customary
practices and procedures to determine whether or not each Obligor shall have maintained physical damage insurance covering the related Financed Vehicle. 

3.5 Maintenance of Security Interests in Financed Vehicles. The Servicer shall take such steps, in accordance with the standard of care
required under Section 3.1, as are necessary to maintain perfection of the security interest created by each Receivable in the related Financed Vehicle at all times. The Trust hereby authorizes the Servicer, and the Servicer hereby 

  
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agrees, to take such steps as are necessary to re-perfect such security interest on behalf of the Trust and the Indenture Trustee in the event the Servicer receives notice of, or otherwise has
actual knowledge of, the fact that such security interest is not perfected as a result of the relocation of a Financed Vehicle or for any other reason. The Servicer shall not release, in whole or in part, any security interest in a Financed Vehicle
created by the related Receivable except as permitted herein or in accordance with its customary standards, policies, practices and procedures. 

3.6 Amendment of Receivable Terms. The Servicer shall not impair in any material respect the rights of the Depositor, the Trust, the
Owner Trustee, the Indenture Trustee, the Certificateholders or the Noteholders in the Receivables or, except as permitted under Section 3.2, otherwise amend or alter the terms of the Receivables if, as a result of such amendment or alteration,
the interests of the Depositor, the Trust, the Owner Trustee, the Indenture Trustee, the Certificateholders or the Noteholders hereunder would be materially adversely affected. 

3.7 Purchase by Servicer upon Breach. The Depositor, the Servicer or the Administrator (on behalf of the Trust), as the case may be,
shall inform the other parties to this Agreement, the Seller and the Indenture Trustee promptly, in writing, upon the discovery of any breach of Section 3.2, 3.5 or 3.6. If such breach shall not have been cured by the close of business on the
last day of the Collection Period which includes the 30th day after the date on which the Servicer becomes aware of, or receives written notice from the Depositor or the Administrator (on behalf of the Trust) of, such breach, and such breach
materially and adversely affects the interest of the Trust in a Receivable, the Servicer shall purchase such Receivable from the Trust on the Distribution Date following such Collection Period; provided, however, that, with respect to
a breach of Section 3.2, the Servicer shall purchase the affected Receivable from the Trust at the end of the Collection Period in which such breach occurs. In consideration of the purchase of a Receivable hereunder, the Servicer shall remit
the Purchase Amount of such Receivable in the manner specified in Section 4.5. The sole remedy of the Trust, the Owner Trustee, the Indenture Trustee, the Noteholders and the Certificateholders with respect to a breach of Section 3.2, 3.5
or 3.6 shall be to require the Servicer to purchase Receivables pursuant to this Section 3.7. None of the Administrator, the Owner Trustee or the Indenture Trustee shall have any duty to conduct an affirmative investigation as to the occurrence
of any condition requiring the purchase of any Receivable pursuant to this Section 3.7. 
 3.8 Servicing Compensation. The
Servicer shall receive the Monthly Servicing Fee for servicing the Receivables. The Monthly Servicing Fee for any Collection Period shall equal the product of one-twelfth (1/12) of the Servicing Rate and the Pool Balance as of the first day of
such Collection Period (or, in the case of the initial Collection Period, as of the Cutoff Date); provided, however, that the Monthly Servicing Fee payable to a successor Servicer other than the Indenture Trustee may equal such other
amount as may be determined in accordance with Section 8.2(c). The Servicer shall also be entitled to all Supplemental Servicing Fees collected (from whatever source) on the Receivables. The Servicer shall pay all expenses incurred by it in
connection with its activities hereunder (including the fees and expenses of the Owner Trustee and the Indenture Trustee, including the reasonable fees and expenses of their attorneys, and any custodian appointed by the Owner Trustee and the
Indenture Trustee, the fees and expenses of independent accountants, taxes imposed on the Servicer and expenses incurred in connection with distributions and reports to the Certificateholders and the Noteholders), except expenses incurred in
connection with realizing upon Receivables under Section 3.3. 

  
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 3.9 Monthly Servicer’s Certificate. On or before the Determination Date immediately
preceding each Distribution Date, the Servicer shall deliver to the Depositor, the Seller, the Owner Trustee, the Indenture Trustee and each Paying Agent, with a copy to the Rating Agencies, a certificate of a Servicing Officer substantially in the
form of Exhibit A (a “Servicer’s Certificate”) and attached to a Servicer’s report containing all information necessary to make the transfers and distributions pursuant to Sections 4.5, 4.6 and 4.7, together with
the written statements to be furnished by the Owner Trustee to the Certificateholders pursuant to Section 4.9 and by the Indenture Trustee to the Noteholders pursuant to Section 4.9 and pursuant to Section 6.6 of the Indenture. The
Servicer shall separately identify (by account number) in a written notice to the Depositor, the Owner Trustee and the Indenture Trustee the Receivables to be repurchased by the Depositor or to be purchased by the Servicer, as the case may be, on
the Business Day preceding such Distribution Date, and, upon request of one of the foregoing parties, each Receivable which became a Defaulted Receivable during the related Collection Period. The Servicer shall deliver to the Rating Agencies any
information, to the extent it is available to the Servicer, that the Rating Agencies reasonably request (and the initial Servicer shall specify in writing to the successor Servicer any such requests that remain unsatisfied during the servicing
transition to the successor Servicer) in order to monitor the Trust. 
 3.10 Annual Servicing Report; Annual Compliance Statement; Notice
of Event of Servicing Termination. 
 (a) On or before May 31 of each year (commencing with the year 2016), the Servicer shall
deliver to the Depositor, the Owner Trustee and the Indenture Trustee a report regarding its assessment of compliance with the servicing criteria specified in Item 1122(d) of Regulation AB as of the end of and for the preceding Trust Fiscal
Year (or, in the case of the report to be delivered in the year 2016, as of the end of and for the period beginning on the Closing Date and ending on February 28, 2016) that satisfies the requirements of Rules 13a-18 and 15d-18 of the Exchange
Act and Item 1122 of Regulation AB. A copy of such report may be obtained by any Certificateholder by a request in writing to the Owner Trustee, or by any Noteholder or Person certifying that it is a Note Owner by a request in writing to the
Indenture Trustee, in either case addressed to the applicable Corporate Trust Office. 
 (b) On or before May 31 of each year
(commencing with the year 2016), the Servicer shall deliver to the Depositor, the Owner Trustee and the Indenture Trustee an Officer’s Certificate stating, as to the officer signing such Officer’s Certificate, that: 

(i) a review of the activities of the Servicer during the preceding Trust Fiscal Year (or, in the case of the Officer’s
Certificate to be delivered in the year 2016, during the period beginning on the Closing Date and ending on February 28, 2016) and of its performance under this Agreement has been made under such officer’s supervision; and 

(ii) to the best of such officer’s knowledge, based on such review, the Servicer has fulfilled all of its obligations
under this Agreement in all material respects 

  
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throughout such Trust Fiscal Year (or, in the case of the Officer’s Certificate to be delivered in the year 2016, such period) or, if there has been a failure to fulfill any such obligation
in any material respect, specifying each such failure known to such officer and the nature and status thereof. 
 A copy of such certificate
may be obtained by any Certificateholder by a request in writing to the Owner Trustee, or by any Noteholder or Person certifying that it is a Note Owner by a request in writing to the Indenture Trustee, in either case addressed to the applicable
Corporate Trust Office. 
 (c) The Servicer shall deliver to the Depositor, the Owner Trustee, the Indenture Trustee and the Rating
Agencies, promptly after having obtained knowledge thereof, but in no event later than five (5) Business Days thereafter, an Officer’s Certificate specifying any event which constitutes or, with the giving of notice or lapse of time or
both, would become an Event of Servicing Termination. 
 3.11 Annual Public Accounting Firm Report. On or before May 31 of each
year (commencing with the year 2016), the Servicer shall cause a registered public accounting firm to deliver to the Depositor, the Owner Trustee and the Indenture Trustee a report addressed to the Board of Directors of the Servicer that attests to,
and reports on, the Servicer’s assessment of compliance with the servicing criteria specified in Item 1122(d) of Regulation AB with respect to the preceding Trust Fiscal Year (or, in the case of the report to be delivered in the year 2016,
with respect to the period beginning on the Closing Date and ending on February 28, 2016) and that otherwise satisfies the requirements of Rules 13a-18 and 15d-18 of the Exchange Act and Item 1122 of Regulation AB. A copy of such report
may be obtained by any Certificateholder by a request in writing to the Owner Trustee, or by any Noteholder or Person certifying that it is a Note Owner by a request in writing to the Indenture Trustee, in either case addressed to the applicable
Corporate Trust Office. 
 3.12 Access to Certain Documentation and Information Regarding Receivables. The Servicer shall provide the
Depositor, the Owner Trustee, the Indenture Trustee, the Certificateholders and the Noteholders with access to the Receivable Files in the cases where the Depositor, the Owner Trustee, the Indenture Trustee, the Certificateholders or the Noteholders
shall be required by applicable statutes, regulations or the provisions of any Transaction Document to have access to such documentation. Such access shall be afforded without charge, but only upon reasonable request and during normal business hours
at the offices of the Servicer. Nothing in this Section 3.12 shall affect the obligation of the Servicer to observe any applicable law prohibiting disclosure of information regarding the Obligors, and the failure of the Servicer to provide
access to information as a result of such obligation shall not constitute a breach of this Section 3.12. Each Certificateholder or Noteholder, by its acceptance of a Certificate or a Note, as the case may be, shall be deemed to have agreed to
keep any information obtained by it pursuant to this Section 3.12 confidential, except as may be required by applicable law. 
 3.13
Reports to the Commission. The Servicer shall, on behalf of the Trust, cause to be filed with the Commission any periodic reports required to be filed under the provisions of the Exchange Act, and the rules and regulations of the Commission
thereunder. The Servicer shall, or shall cause the Administrator to, prepare, execute and deliver all 

  
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certificates and other documents required to be delivered by the Trust pursuant to the Sarbanes-Oxley Act of 2002 or the rules and regulations promulgated thereunder. The Depositor shall, at its
expense, cooperate in any reasonable request made by the Servicer in connection with such filings. The Servicer shall provide or cause to be provided to the Depositor copies of all documents filed by the Servicer after the Closing Date with the
Commission pursuant to the Securities Act or the Exchange Act that relate specifically to the Trust, the Notes or the Certificates. 
 3.14
Reports to Rating Agencies. The Servicer shall deliver to each Rating Agency, at such address as such Rating Agency may request, a copy of all reports or notices furnished or delivered pursuant to this Article III and a copy of any
amendments, supplements or modifications to this Agreement and any other information reasonably requested by such Rating Agency to monitor this transaction. If CarMax is no longer the Servicer, the successor Servicer shall provide any required
Rating Agency notices, reports or other communications to the Depositor, who promptly shall provide such notices, reports or communications to the Rating Agencies. 

ARTICLE IV 
 DISTRIBUTIONS; RESERVE
ACCOUNT; STATEMENTS TO 
 NOTEHOLDERS AND CERTIFICATEHOLDERS 

4.1 Accounts. 
 (a) The
Servicer shall establish, on or before the Closing Date, and maintain in the name of the Indenture Trustee at an Eligible Institution (which shall initially be the Indenture Trustee) a segregated trust account designated as the Collection Account
(the “Collection Account”). The Collection Account shall be held in trust for the benefit of the Noteholders and the Certificateholders. The Collection Account shall be under the sole dominion and control of the Indenture Trustee;
provided, however, that the Servicer may make deposits to and direct the Indenture Trustee in writing to make withdrawals from the Collection Account in accordance with this Agreement, the Indenture and the Trust Agreement. All monies
deposited from time to time in the Collection Account pursuant to this Agreement shall be held by the Indenture Trustee as part of the Trust Property and shall be applied as provided in this Agreement. All deposits to and withdrawals from the
Collection Account shall be made only upon the terms and conditions of the Transaction Documents. 
 If the Servicer is required to remit
collections on a daily basis pursuant to the first sentence of Section 4.2, all amounts held in the Collection Account shall, to the extent permitted by applicable law, rules and regulations, be invested, as directed in writing by the Servicer,
by the bank or trust company then maintaining the Collection Account in Permitted Investments that mature not later than the Business Day preceding the Distribution Date following the Collection Period during which such investment is made. All such
Permitted Investments shall be held to maturity. If the Collection Account is no longer to be maintained at the Indenture Trustee, the Servicer shall, with the Indenture Trustee’s assistance as necessary, promptly (and in any case within ten
(10) calendar days or such longer period not to exceed thirty (30) calendar days as to which each Rating Agency shall consent) cause the Collection Account to be moved to an Eligible Institution. The Servicer shall promptly notify the
Indenture Trustee and the Owner Trustee of any change in the account number or location of the Collection Account. 

  
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 (b) The Servicer shall establish, on or before the Closing Date, and maintain in the name of the
Indenture Trustee at an Eligible Institution (which shall initially be the Indenture Trustee) a segregated trust account designated as the Note Payment Account (the “Note Payment Account”). The Note Payment Account shall be held in
trust for the benefit of the Noteholders. The Note Payment Account shall be under the sole dominion and control of the Indenture Trustee; provided, however, that the Servicer may make deposits to and direct the Indenture Trustee in
writing to make withdrawals from the Note Payment Account in accordance with this Agreement and the Indenture. All monies deposited from time to time in the Note Payment Account pursuant to this Agreement and the Indenture shall be held by the
Indenture Trustee as part of the Trust Property and shall be applied as provided in this Agreement and the Indenture. The amounts on deposit in the Note Payment Account shall not be invested. If the Note Payment Account is no longer to be maintained
at the Indenture Trustee, the Servicer shall, with the Indenture Trustee’s assistance as necessary, promptly (and in any case within ten (10) calendar days or such longer period not to exceed thirty (30) calendar days as to which each
Rating Agency may consent) cause the Note Payment Account to be moved to an Eligible Institution. The Servicer shall promptly notify the Indenture Trustee and the Owner Trustee of any change in the account number or location of the Note Payment
Account. 
 (c) The Servicer shall establish, on or before the Closing Date, and maintain in the name of the Owner Trustee at an Eligible
Institution (which shall initially be the Owner Trustee) a segregated trust account designated as the “CarMax Auto Owner Trust 2015-3 Trust Account” (the “Certificate Payment Account”). The Certificate Payment Account
shall be held in trust for the benefit of the Certificateholders. The Certificate Payment Account shall be under the sole dominion and control of the Owner Trustee; provided, however, that the Servicer may direct the Indenture Trustee
in writing to make deposits to the Certificate Payment Account in accordance with this Agreement and the Indenture and may direct the Owner Trustee to make withdrawals from the Certificate Payment Account in accordance with this Agreement and the
Trust Agreement. All monies deposited from time to time in the Certificate Payment Account pursuant to this Agreement and the Indenture shall be held by the Owner Trustee as part of the Trust Property and shall be applied as provided in this
Agreement and the Trust Agreement. The amounts on deposit in the Certificate Payment Account shall not be invested. If the Certificate Payment Account is no longer to be maintained at the Owner Trustee, the Servicer shall, with the Owner
Trustee’s assistance as necessary, promptly (and in any case within ten (10) calendar days or such longer period not to exceed thirty (30) calendar days as to which each Rating Agency may consent) cause the Certificate Payment Account
to be moved to an Eligible Institution. The Servicer shall promptly notify the Indenture Trustee and the Owner Trustee in writing of any change in the account number or location of the Certificate Payment Account. 

(d) If, on any Distribution Date, the aggregate amount on deposit in the Collection Account and the Reserve Account equals or exceeds the sum
of (i) the Note Balance as of the day preceding such Distribution Date, (ii) the Total Note Interest for each Class of Notes for such Distribution Date and (iii) the Total Servicing Fee for the preceding Collection Period and any
Unreimbursed Servicer Advances for the preceding Collection Period, the Servicer shall instruct the Indenture Trustee to (A) transfer all amounts on deposit in the Reserve 

  
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Account on such Distribution Date from the Reserve Account to the Collection Account and (B) include such amounts in Available Funds for purposes of application pursuant to
Section 2.8(a) of the Indenture on such Distribution Date. 
 4.2 Collections. The Servicer shall remit to the Collection
Account all amounts (excluding, for the avoidance of doubt, any Supplemental Servicing Fees) received by the Servicer on or in respect of the Receivables (including Liquidation Proceeds and all amounts received by the Servicer in connection with the
repossession and sale of a Financed Vehicle (whether or not the related Receivable has been classified as a Defaulted Receivable) but excluding payments with respect to Purchased Receivables) as soon as practicable and in no event after the close of
business on the second Business Day after such receipt; provided, however, that for so long as (i) CarMax is the Servicer, (ii) no Event of Servicing Termination shall have occurred and be continuing and (iii) the Rating
Agency Condition shall have been satisfied (each, a “Monthly Remittance Condition”), the Servicer may remit any such amounts received during any Collection Period to the Collection Account in immediately available funds on the
Business Day preceding the Distribution Date following such Collection Period (it being understood that the Monthly Remittance Condition has not been satisfied as of the Closing Date); provided further, that if any such amounts
(including Liquidation Proceeds and all amounts received by the Servicer in connection with the repossession and sale of a Financed Vehicle (whether or not the related Receivable has been classified as a Defaulted Receivable)) are received in
respect of a Receivable as to which there is an unreimbursed Simple Interest Advance, the Servicer shall retain such amounts to the extent of such unreimbursed Simple Interest Advance (and shall apply the amount retained to reimburse itself for such
unreimbursed Simple Interest Advance) and shall remit the balance of such amounts to the Collection Account; and, provided further, that the Servicer shall, if it determines that it has made an Unreimbursed Servicer Advance, retain
amounts received on or in respect of the Receivables to the extent set forth in Section 4.4(b). The Owner Trustee and the Indenture Trustee shall not be deemed to have knowledge of any event or circumstance under clause (ii) or
(iii) of the definition of Monthly Remittance Condition that would require daily remittance by the Servicer to the Collection Account unless the Owner Trustee or the Indenture Trustee, as applicable, has received notice of such event or
circumstance at its Corporate Trust Office from the Depositor or the Servicer in an Officer’s Certificate or written notice of such event or circumstance from the Holders of Notes evidencing not less than 25% of the Note Balance of the
Controlling Class or unless a Responsible Officer of the Owner Trustee or the Indenture Trustee, as applicable, has actual knowledge of such event or circumstance. The Servicer shall remit to the Collection Account on the Closing Date all amounts
received by the Servicer on or in respect of the Receivables (including Liquidation Proceeds and all amounts received by the Servicer in connection with the repossession and sale of a Financed Vehicle (whether or not the related Receivable has been
classified as a Defaulted Receivable)) during the period from but excluding the Cutoff Date to and including the second Business Day preceding the Closing Date. 

4.3 Application of Collections. For purposes of this Agreement, all amounts (excluding, for the avoidance of doubt, any Supplemental
Servicing Fees) received on or in respect of a Receivable during any Collection Period (including Liquidation Proceeds and all amounts received by the Servicer in connection with the repossession and sale of a Financed Vehicle (whether or not the
related Receivable has been classified as a Defaulted Receivable) but excluding payments with respect to Purchased Receivables) shall be applied by the Servicer, as of the last day of such Collection Period, to interest and principal on such
Receivable in accordance with the Simple Interest Method. 

  
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 4.4 Simple Interest Advances and Unreimbursed Servicer Advances. 

(a) If, as of the end of any Collection Period, one or more payments of Monthly P&I due under any Receivable (other than a Defaulted
Receivable) outstanding at the end of such Collection Period shall not have been received by the Servicer and remitted to the Collection Account pursuant to Section 4.2, the Servicer may, at its option, make, on the Business Day preceding the
Distribution Date immediately following such Collection Period, a Simple Interest Advance with respect to such Receivable by depositing in or crediting to the Collection Account the amount of Monthly P&I allocable to interest scheduled to have
been paid during such Collection Period, assuming that such Receivable was paid on its due date, minus the amount of Monthly P&I actually received and allocated to interest, if any, with respect to such Receivable during such Collection
Period. 
 (b) If the Servicer determines that it has made an Unreimbursed Servicer Advance, the Servicer shall reimburse itself for such
Unreimbursed Servicer Advance from unrelated amounts received by the Servicer on or in respect of the Receivables (including Liquidation Proceeds and all amounts received by the Servicer in connection with the repossession and sale of a Financed
Vehicle (whether or not the related Receivable has been classified as a Defaulted Receivable)); provided, however, that the Servicer shall furnish to the Indenture Trustee and the Owner Trustee, on or before the Distribution Date
following the Collection Period during which such reimbursement is taken, a certificate of a Servicing Officer setting forth the basis for such determination, the amount of such Unreimbursed Servicer Advance, the Receivable with respect to which
such Unreimbursed Servicer Advance was made and the installments or other proceeds with respect to which such reimbursement was taken. 

4.5 Additional Deposits. The Depositor and the Servicer shall deposit or cause to be deposited in the Collection Account the aggregate
Purchase Amount with respect to Purchased Receivables pursuant to Section 2.4, 3.7 or 9.1. All such deposits described above with respect to a Collection Period shall be made in immediately available funds no later than 5:00 p.m., New York City
time, on the Business Day preceding the Distribution Date following such Collection Period. 
 4.6 Determination Date Calculations;
Application of Available Funds. 
 (a) On each Determination Date, the Servicer shall calculate the following amounts: 

(i) the Available Collections for the following Distribution Date; 

(ii) the Total Servicing Fee and any Unreimbursed Servicer Advances for the preceding Collection Period; 

(iii) any payments pursuant to Section 2.8(a)(ii) of the Indenture; 

  
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 (iv) the Total Note Interest for each Class of Class A Notes for the
following Distribution Date; 
 (v) the Priority Principal Distributable Amount for the following Distribution Date; 

(vi) the Total Note Interest for the Class B Notes for the following Distribution Date; 

(vii) the Secondary Principal Distributable Amount for the following Distribution Date; 

(viii) the Total Note Interest for the Class C Notes for the following Distribution Date; 

(ix) the Tertiary Principal Distributable Amount for the following Distribution Date; 

(x) the Total Note Interest for the Class D Notes for the following Distribution Date; 

(xi) the Quaternary Principal Distributable Amount for the following Distribution Date; 

(xii) the sum of the amounts described in clauses (ii) through (xi) above (the “Required Payment
Amount”); and 
 (xiii) the Regular Principal Distributable Amount for the following Distribution Date. 

(b) On each Determination Date, the Servicer shall calculate the following amounts: 

(i) the lesser of (A) the amount, if any, by which the Required Payment Amount for the following Distribution Date exceeds
the Available Collections for such Distribution Date and (B) the Reserve Account Amount for such Distribution Date (before giving effect to any deposits to or withdrawals from the Reserve Account on such Distribution Date) (such lesser amount,
the “Reserve Account Draw Amount”); provided, however, that if on the last day of the preceding Collection Period the Pool Balance is zero, the Reserve Account Draw Amount for such Distribution Date shall equal the
Reserve Account Amount for such Distribution Date; 
 (ii) the Reserve Account Amount for the following Distribution Date
(after giving effect to the withdrawal of the Reserve Account Draw Amount for such Distribution Date); and 
 (iii) the
amount, if any, by which the Required Reserve Account Amount for the following Distribution Date exceeds the Reserve Account Amount for 

  
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such Distribution Date (after giving effect to the withdrawal of the Reserve Account Draw Amount for such Distribution Date) (such excess, the “Reserve Account Deficiency”). 

On each Distribution Date, the Servicer shall instruct the Indenture Trustee to transfer the Reserve Account Draw Amount, if any, for such
Distribution Date from the Reserve Account to the Collection Account. 
 (c) [RESERVED]. 

(d) On each Distribution Date, the Servicer shall instruct the Indenture Trustee (or, if the Indenture Trustee is not the Paying Agent, the
Paying Agent) in writing to apply the Available Funds for such Distribution Date to make the payments and deposits set forth in Section 2.8(a) or 5.4(b) of the Indenture, as applicable. 

4.7 Reserve Account. 

(a) The Servicer shall establish, on or before the Closing Date, and maintain in the name of the Indenture Trustee at an Eligible Institution
(which shall initially be the Indenture Trustee) a segregated trust account designated as the Reserve Account (the “Reserve Account”). The Reserve Account shall be held in trust for the benefit of the Noteholders and the
Certificateholders. The Reserve Account shall be under the sole dominion and control of the Indenture Trustee; provided, however, that the Servicer may make deposits to and direct the Indenture Trustee in writing to make withdrawals
from the Reserve Account in accordance with this Agreement and the Indenture. On the Closing Date, the Depositor shall deposit the Initial Reserve Account Deposit into the Reserve Account from the net proceeds of the sale of the Notes. The Reserve
Account and all amounts, securities, investments, financial assets and other property deposited in or credited to the Reserve Account (the “Reserve Account Property”) has been conveyed by the Depositor to the Trust pursuant to
Section 2.1. Pursuant to the Indenture, the Trust will pledge all of its right, title and interest in, to and under the Reserve Account and the Reserve Account Property to the Indenture Trustee on behalf of the Noteholders and the
Certificateholders to secure its obligations under the Notes and the Indenture. 
 (b) The Reserve Account Property shall, to the extent
permitted by applicable law, rules and regulations, be invested, as directed in writing by the Servicer, by the bank or trust company then maintaining the Reserve Account in Permitted Investments that mature not later than the Business Day preceding
the next Distribution Date. All such Permitted Investments shall be held to maturity. On any Distribution Date, all interest and other income (net of losses and investment expenses) on funds on deposit in the Reserve Account, to the extent that
funds on deposit therein, as certified by the Servicer, exceed the Required Reserve Account Amount, shall, at the written direction of the Servicer, (i) first, be deposited into the Note Payment Account, for payment of principal of the Notes in
the priority set forth in Section 2.8(d) of the Indenture, to the extent of any unfunded Regular Principal Distributable Amount, if any, on such Distribution Date (after giving effect to the application of Available Funds on such Distribution
Date), (ii) second, be paid to the Indenture Trustee or any other successor Servicer, as applicable, to the extent of any unfunded amounts payable pursuant to Section 2.8(a)(xiii) or (xiv) of the Indenture, if any, on such
Distribution Date (after giving effect to the application of Available 

  
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Funds on such Distribution Date), (iii) third, be deposited into the Certificate Payment Account for payment to the Certificateholders. If the Reserve Account is no longer to be maintained
at the Indenture Trustee, the Servicer shall, with the Indenture Trustee’s assistance as necessary, promptly (and in any case within ten (10) calendar days or such longer period not to exceed thirty (30) calendar days as to which each
Rating Agency may consent) cause the Reserve Account to be moved to an Eligible Institution. The Servicer shall promptly notify the Indenture Trustee and the Owner Trustee in writing of any change in the account number or location of the Reserve
Account. 
 (c) With respect to any Reserve Account Property: 

(i) any Reserve Account Property that is a “financial asset” (as defined in Section 8-102(a)(9) of the Relevant
UCC) shall be physically delivered to, or credited to an account in the name of, the Eligible Institution maintaining the Reserve Account, in accordance with such institution’s customary procedures such that such institution establishes a
“securities entitlement” in favor of the Indenture Trustee with respect thereto; 
 (ii) any Reserve Account
Property that is held in deposit accounts shall be held solely in the name of the Indenture Trustee at one or more depository institutions having the Required Rating and each such deposit account shall be subject to the exclusive custody and control
of the Indenture Trustee and the Indenture Trustee shall have sole signature authority with respect thereto; and 
 (iii)
except for any deposit accounts specified in clause (ii) above, the Reserve Account shall only be invested in securities or in other assets which the Eligible Institution maintaining the Reserve Account agrees to treat as “financial
assets” (as defined in Section 8-102(a)(9) of the Relevant UCC). 
 (d) If the Reserve Account Amount for any Distribution Date
(after giving effect to the withdrawal of the Reserve Account Draw Amount for such Distribution Date) exceeds the Required Reserve Account Amount for such Distribution Date, the Servicer shall instruct the Indenture Trustee in writing to distribute
the amount of such excess (i) first, to the Note Payment Account, for payment of principal of the Notes in the priority set forth in Section 2.8(d) of the Indenture, to the extent of any unfunded Regular Principal Distributable Amount, if
any, on such Distribution Date (after giving effect to the application of Available Funds on such Distribution Date), (ii) second, be paid to the Indenture Trustee or any other successor Servicer, as applicable, to the extent of any unfunded
amounts payable pursuant to Section 2.8(a)(xiii) or (xiv) of the Indenture, if any, on such Distribution Date (after giving effect to the application of Available Funds on such Distribution Date) and (iii) third, to the Certificate
Payment Account for payment to the Certificateholders. The Indenture Trustee and the Owner Trustee hereby release, on each Distribution Date, their security interest in, to and under Reserve Account Property distributed to the Certificateholders.

 (e) If the Note Balance, and all other amounts owing or to be distributed hereunder or under the Indenture or the Trust Agreement to the
Noteholders or the Certificateholders, have been paid in full and the Trust has been terminated, any remaining Reserve Account Property shall be distributed to the Certificateholders. 

  
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 4.8 Net Deposits. As an administrative convenience, unless the Servicer is required to
remit collections on a daily basis pursuant to the first sentence of Section 4.2, the Depositor and the Servicer may make any remittance pursuant to this Article IV with respect to a Collection Period net of distributions or reimbursements to
be made to the Depositor or the Servicer with respect to such Collection Period; provided, however, that such obligations shall remain separate obligations, no party shall have a right of offset and each such party shall account for
all of the above described remittances and distributions as if the amounts were deposited and/or transferred separately. 
 4.9
Statements to Noteholders and Certificateholders. On or prior to each Distribution Date, the Servicer shall provide to the Indenture Trustee (with copies to the Depositor, the Rating Agencies and each Paying Agent), for the Indenture Trustee
to make available to each Note Owner as described below, and to the Owner Trustee (with copies to the Depositor, the Rating Agencies and each Paying Agent), for the Owner Trustee to make available to each Certificateholder of record as of the most
recent Record Date, a statement in substantially the form of Exhibit B or Exhibit C, as applicable. Each such statement shall set forth at least the following information as to the Notes and the Certificates (to the extent applicable) with respect
to the distribution to be made on such Distribution Date: 
 (i) the amount of such distribution allocable to principal for
each Class of Notes; 
 (ii) the Priority Principal Distributable Amount for such Distribution Date; 

(iii) the Secondary Principal Distributable Amount for such Distribution Date; 

(iv) the Tertiary Principal Distributable Amount for such Distribution Date; 

(v) the Quaternary Principal Distributable Amount for such Distribution Date; 

(vi) the Regular Principal Distributable Amount for such Distribution Date; 

(vii) the amount of such distribution allocable to current and overdue interest (including any interest on overdue interest)
for each Class of Notes; 
 (viii) the Total Servicing Fee for the preceding Collection Period; 

(ix) the aggregate outstanding principal balance of each Class of Notes and the Note Pool Factor with respect to each Class of
Notes (in each case after giving effect to payments allocated to principal reported under clause (i) above); 

  
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 (x) the Pool Balance as of the close of business on the last day of the preceding
Collection Period; 
 (xi) the Reserve Account Amount on such Distribution Date (after giving effect to all deposits to or
withdrawals from the Reserve Account on such Distribution Date); 
 (xii) the Reserve Account Draw Amount for such
Distribution Date; 
 (xiii) the aggregate Purchase Amount of Receivables repurchased by the Depositor or purchased by the
Servicer, if any, with respect to the preceding Collection Period; 
 (xiv) the number and aggregate Principal Balance of
Receivables that were 31-60 days, 61-90 days or 91 days or more delinquent as of the last day of the preceding Collection Period; 

(xv) the number of Receivables that were outstanding as of the last day of the preceding Collection Period; 

(xvi) the Net Losses with respect to the preceding Collection Period; 

(xvii) the Overcollateralization Target Amount for such Distribution Date and the amount by which the Pool Balance exceeds the
Note Balance as of such Distribution Date (after giving effect to any payments made to the Holders of the Notes on such Distribution Date); 

(xviii) the amount of Available Collections for the preceding Collection Period; 

(xix) the amount of Excess Collections with respect to such Distribution Date; 

(xx) the Note Rate applicable to the Class A-2b Notes with respect to the Accrual Period ending on the day preceding such
distribution date; 
 (xxi) LIBOR applicable to the Accrual Period ending on the day preceding such Distribution Date; and

 (xxii) the Consolidated Tangible Net Worth as of the last day of the Related Fiscal Quarter for such Distribution Date.

 The Indenture Trustee will make available each month to each Note Owner the statements referred to above (and certain other documents, reports and
information regarding the Receivables provided by the Servicer from time to time) via the Indenture Trustee’s internet website, with the use of a password provided by the Indenture Trustee. The Indenture Trustee’s internet website will be
located at www.CTSLink.com or at such other address as the Indenture Trustee shall notify the Note Owners from time to time. For assistance with regard to this 

  
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service, Note Owners can call the Indenture Trustee’s Corporate Trust Office at (866) 846-4526. The Indenture Trustee shall have the right to change the way the statements referred to
above are distributed in order to make such distribution more convenient and/or more accessible to the parties entitled to receive such statements so long as such statements are only provided to the then current Note Owners. The Indenture Trustee
shall provide notification of any such change to all parties entitled to receive such statements in the manner described in Section 10.4, Section 11.4 of the Indenture or Section 11.5 of the Indenture, as appropriate. 

4.10 Control of Securities Accounts. Notwithstanding anything to the contrary contained herein, the Trust agrees that each of the
Collection Account, the Note Payment Account, the Certificate Payment Account and the Reserve Account will only be established at an Eligible Institution that agrees substantially as follows: (i) it will comply with “entitlement
orders” (as defined in Section 8-102(a)(8) of the Relevant UCC) relating to such accounts issued by the Indenture Trustee without further consent by the Trust; (ii) until the termination of the Indenture, it will not enter into any
other agreement relating to any such account pursuant to which it agrees to comply with entitlement orders of any Person other than the Indenture Trustee; and (iii) all assets delivered or credited to it in connection with such accounts and all
investments thereof will be promptly credited to such accounts. 
 ARTICLE V 

[RESERVED] 
 ARTICLE VI 

THE DEPOSITOR 
 6.1
Representations and Warranties of Depositor. The Depositor makes the following representations and warranties on which the Trust shall be deemed to have relied in accepting the Trust Property. The representations and warranties speak as of
the execution and delivery of this Agreement and shall survive the sale, transfer, assignment and conveyance of the Trust Property to the Trust pursuant to this Agreement and the pledge of the Trust Property to the Indenture Trustee pursuant to the
Indenture: 
 (a) Organization and Good Standing. The Depositor has been duly organized and is validly existing as a limited
liability company in good standing under the laws of the State of Delaware, has the power, authority and legal right to own its properties and to conduct its business as such properties are currently owned and such business is currently conducted,
and has the power, authority and legal right to acquire, own and sell the Receivables. 
 (b) Due Qualification. The Depositor is
duly qualified to do business as a foreign limited liability company in good standing and has obtained all necessary licenses and approvals in each jurisdiction in which the failure to so qualify or to obtain such licenses and approvals would, in
the reasonable judgment of the Depositor, materially and adversely affect the performance by the Depositor of its obligations under, or the validity or enforceability of, this Agreement, any of the other Transaction Documents to which the Depositor
is a party, the Receivables, the Notes or the Certificates. 

  
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 (c) Power and Authority. The Depositor has the power and authority to execute, deliver and
perform its obligations under this Agreement and the other Transaction Documents to which it is a party. The Depositor has the power and authority to sell, assign, transfer and convey the property to be transferred to and deposited with the Trust
and has duly authorized such transfer and deposit by all necessary limited liability company action, and the execution, delivery and performance of this Agreement and the other Transaction Documents to which the Depositor is a party have been duly
authorized by the Depositor by all necessary limited liability company action. 
 (d) Valid Transfer; Binding Obligation. This
Agreement effects a valid sale, transfer, assignment and conveyance to the Trust of the Receivables and the other Trust Property enforceable against all creditors of and purchasers from the Depositor. This Agreement and the other Transaction
Documents to which the Depositor is a party constitute legal, valid and binding obligations of the Depositor, enforceable against the Depositor in accordance with their terms, subject, as to enforceability, to applicable bankruptcy, insolvency,
reorganization, conservatorship, receivership, liquidation and other similar laws and to general equitable principles. 
 (e) No
Violation. The execution, delivery and performance by the Depositor of this Agreement and the other Transaction Documents to which the Depositor is a party, the consummation of the transactions contemplated hereby and thereby and the fulfillment
of the terms hereof and thereof will not conflict with, result in a breach of any of the terms and provisions of or constitute (with or without notice or lapse of time or both) a default under the certificate of formation or limited liability
company agreement of the Depositor or any material indenture, agreement, mortgage, deed of trust or other instrument to which the Depositor is a party or by which the Depositor is bound or to which any of its properties are subject, or result in the
creation or imposition of any lien upon any of its properties pursuant to the terms of any such indenture, agreement, mortgage, deed of trust or other instrument (other than pursuant to this Agreement), or violate any law, order, rule or regulation
applicable to the Depositor or its properties of any federal or State regulatory body, court, administrative agency or other governmental instrumentality having jurisdiction over the Depositor or any of its properties. 

(f) No Proceedings. There are no proceedings or investigations pending or, to the knowledge of the Depositor, threatened against the
Depositor before any court, regulatory body, administrative agency or other governmental instrumentality having jurisdiction over the Depositor or its properties (i) asserting the invalidity of this Agreement, the Indenture, the Trust
Agreement, any of the other Transaction Documents, the Notes or the Certificates, (ii) seeking to prevent the issuance of the Notes or the Certificates or the consummation of any of the transactions contemplated by this Agreement, the
Indenture, the Trust Agreement or any of the other Transaction Documents, (iii) seeking any determination or ruling that, in the reasonable judgment of the Depositor, would materially and adversely affect the performance by the Depositor of its
obligations under, or the validity or enforceability of, this Agreement, the Indenture, the Trust Agreement, any of the other Transaction Documents, the Receivables, the Notes or the Certificates, or (iv) that, in the reasonable judgment of the
Depositor, would adversely affect the federal or Applicable Tax State income, excise, franchise or similar tax attributes of the Trust or of the Notes or the Certificates. 

  
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 6.2 Liability of Depositor; Indemnities. 

(a) The Depositor shall be liable in accordance herewith only to the extent of the obligations specifically undertaken by the Depositor under
this Agreement. 
 (b) The Depositor shall indemnify, defend and hold harmless the Trust, the Owner Trustee and the Indenture Trustee from
and against any taxes that may at any time be asserted against any such Person with respect to, and as of the date of, the transfer of the Receivables to the Trust or the issuance and original sale of the Notes or the Certificates, including any
sales, gross receipts, general corporation, tangible personal property, privilege or license taxes (but, in the case of the Trust, not including any taxes asserted with respect to ownership of the Receivables or federal or other Applicable Tax State
income taxes arising out of the transactions contemplated by this Agreement and the other Transaction Documents), and all costs and expenses in defending against such taxes. 

(c) The Depositor shall indemnify, defend and hold harmless the Trust, the Owner Trustee, the Indenture Trustee, the Noteholders and the
Certificateholders from and against any loss, liability or expense incurred by reason of (i) the Depositor’s willful misfeasance, bad faith or gross negligence in the performance of its duties under this Agreement or any other Transaction
Document to which it is a party or by reason of a reckless disregard of its obligations and duties under this Agreement or any other Transaction Document to which it is a party and (ii) the Depositor’s violation of federal or State
securities laws in connection with the registration or the sale of the Notes. 
 (d) The Depositor shall indemnify, defend and hold harmless
the Owner Trustee and the Indenture Trustee and their respective officers, directors, employees and agents from and against all costs, expenses, losses, claims, actions, suits, damages and liabilities arising out of or incurred in connection with
the acceptance or performance of the trusts and duties contained herein and in the Trust Agreement, in the case of the Owner Trustee, and in the Indenture, in the case of the Indenture Trustee, except to the extent that such cost, expense, loss,
claim, damage or liability (i) shall be due to the willful misfeasance, bad faith or gross negligence (except for errors in judgment) of the Owner Trustee or the Indenture Trustee, as applicable, (ii) in the case of the Owner Trustee,
shall arise from the breach by the Owner Trustee of any of its representations or warranties set forth in the Trust Agreement, (iii) in the case of the Indenture Trustee, shall arise from the breach by the Indenture Trustee of any of its
representations and warranties set forth in the Indenture or (iv) relates to any tax other than the taxes with respect to which either the Depositor or the Servicer shall be required to indemnify the Owner Trustee or the Indenture Trustee, as
applicable. 
 (e) The Depositor shall pay any and all taxes levied or assessed upon all or any part of the Owner Trust Estate. 

Indemnification under this Section 6.2 shall survive the resignation or removal of the Owner Trustee or the Indenture Trustee and the
termination of this Agreement and shall include reasonable fees and expenses of counsel and expenses of litigation. If the Depositor shall have made any indemnity payments pursuant to this Section 6.2 and the Person to or on behalf of whom such
payments are made thereafter shall collect any of such amounts from others, such 

  
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Person shall promptly repay such amounts to the Depositor, without interest. Notwithstanding anything to the contrary contained herein, the Depositor shall only be required to pay (i) any
fees, expenses, indemnities or other liabilities that it may incur under the Transaction Documents from funds available pursuant to, and in accordance with, the payment priorities set forth in this Agreement and (ii) to the extent the Depositor
has additional funds available (other than funds described in the preceding clause (i)) that would be in excess of amounts that would be necessary to pay the debt and other obligations of the Depositor in accordance with the Depositor’s
certificate of formation, operating agreement and all financing documents to which the Depositor is a party. The agreement set forth in the preceding sentence shall constitute a subordination agreement for purposes of Section 510(a) of the
Bankruptcy Code. In addition, no amount owing by the Depositor hereunder in excess of liabilities that it is required to pay in accordance with the preceding sentence shall constitute a “claim” (as defined in Section 101(5) of the
Bankruptcy Code) against it. 
 6.3 Merger or Consolidation of, or Assumption of the Obligations of, Depositor. Any Person
(i) into which the Depositor shall be merged or consolidated, (ii) resulting from any merger, conversion or consolidation to which the Depositor shall be a party or (iii) that shall succeed by purchase and assumption to all or
substantially all of the business of the Depositor, which Person in any of the foregoing cases executes an agreement of assumption to perform every obligation of the Depositor under this Agreement, shall be the successor to the Depositor under this
Agreement without the execution or filing of any other document or any further act on the part of any of the parties to this Agreement; provided, however, that (x) the Depositor shall have delivered to the Owner Trustee and the
Indenture Trustee an Officer’s Certificate and an Opinion of Counsel each stating that such merger, conversion, consolidation or succession and such agreement of assumption comply with this Section 6.3, (y) the Depositor shall have
delivered to the Owner Trustee and the Indenture Trustee an Opinion of Counsel either (A) stating that, in the opinion of such counsel, all financing statements and continuation statements and amendments thereto have been authorized and filed
that are necessary to fully preserve and protect the interest of the Trust and the Indenture Trustee, respectively, in the Receivables, and reciting the details of such filings or referring to prior Opinions of Counsel in which such details are
given, or (B) stating that, in the opinion of such counsel, no such action shall be necessary to fully preserve and protect such interest and (z) the Rating Agency Condition shall have been satisfied. Notwithstanding anything to the
contrary contained herein, the execution of the foregoing agreement of assumption and compliance with clauses (x), (y) and (z) above shall be conditions to the consummation of the transactions referred to in clauses (i), (ii) and
(iii) above. 
 6.4 Limitation on Liability of Depositor and Others. 

(a) Neither the Depositor nor any of the directors, officers, employees or agents of the Depositor shall be under any liability to the Trust,
the Noteholders or the Certificateholders for any action taken or for refraining from the taking of any action pursuant to this Agreement or for errors in judgment; provided, however, that this provision shall not protect the Depositor
or any such Person against any liability that would otherwise be imposed by reason of willful misfeasance or bad faith in the performance of duties or by reason of reckless disregard of obligations and duties under this Agreement, or by reason of
gross negligence in the performance of duties under this Agreement (except for errors in judgment). The Depositor, and 

  
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its directors, officers, employees and agents, may rely in good faith on the advice of counsel or on any document of any kind prima facie properly executed and submitted by any Person in
respect of any matters arising under this Agreement. 
 (b) The Depositor shall not be under any obligation to appear in, prosecute or
defend any legal action that shall not be incidental to its obligations under this Agreement and that in its opinion may involve it in any expense or liability. 

6.5 Depositor May Own Notes or Certificates. The Depositor, and any Affiliate of the Depositor, may, in its individual or any other
capacity, become the owner or pledgee of Notes or Certificates with the same rights as it would have if it were not the Depositor or an Affiliate of the Depositor, except as otherwise expressly provided herein (including in the definition of
“Note Balance”) or in the other Transaction Documents. Except as otherwise expressly provided herein (including the definition of “Note Balance”) or in the other Transaction Documents, Notes and Certificates so owned by or
pledged to the Depositor or such Affiliate shall have an equal and proportionate benefit under the provisions of this Agreement and the other Transaction Documents, without preference, priority or distinction as among the Notes and the Certificates.

 6.6 [RESERVED]. 

6.7 Certain Limitations. 

(a) The purpose of the Depositor shall be limited to the conduct or promotion of the following activities: (i) to acquire, lease, own,
hold, sell, transfer, convey, dispose of, pledge, assign, borrow money against, grant a security interest in, finance, refinance or otherwise deal with, publicly or privately and whether with unrelated third parties or with affiliated entities,
automotive installment sale contracts and service contracts originated or acquired by CarMax or its Affiliates or interests therein, the related motor vehicles or interests therein and the related documentation and monies due or to become due
thereunder, proceeds from claims on insurance policies related thereto and all related rights and the proceeds of any of the foregoing (collectively, the “Assets”), (ii) to perform its obligations under the Basic Documents (as
defined in the limited liability company agreement of the Depositor (the “LLC Agreement”)), (iii) to act as settlor or grantor of one or more trusts or special purpose entities (each, a “Securitization Trust”)
formed pursuant to a trust agreement or other agreement, which Securitization Trust may issue one or more series or classes of certificates, bonds, notes or other evidences of interest or indebtedness (collectively, “Securities”)
secured by or representing beneficial interests in the Assets, (iv) to acquire Securities or other property of a Securitization Trust (including remainder interests in collateral or reserve accounts) or any interest in any of the foregoing,
(v) to cause the issuance of, authorize, sell and deliver Securities or other instruments secured or collateralized by Securities, (vi) to own equity interests in other limited liability companies or partnerships whose purposes are
substantially restricted to those described in clauses (i) through (v) above, (vii) to borrow money other than pursuant to clause (i) above, but only to the extent that such borrowing is permitted by the terms of the transactions
contemplated by clauses (i) through (vi) above, (viii) to loan or otherwise invest funds received as a result of the Depositor’s interest in any Securitization Trust or Securities and any other income, as determined by the Member
(as defined in the LLC Agreement) of the Depositor from time to 

  
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time, and (ix) to (A) negotiate, authorize, execute, deliver or assume or perform the obligations under any agreement, instrument or document relating to the activities set forth in
clauses (i) through (viii) above, including the Basic Documents (as defined in the LLC Agreement) and (B) engage in any lawful act or activity and to exercise any powers permitted to limited liability companies organized under the
laws of the State of Delaware that are incidental to and necessary, convenient or advisable for the accomplishment of the above-mentioned purposes, including the entering into of (x) interest rate or basis swap, cap, floor or collar agreements,
currency exchange agreements or similar hedging transactions, (y) any agreement providing for the funding of any amount due under any of the Securities through direct borrowings, letters of credit, insurance or otherwise and (z) referral,
management, servicing and administration agreements. Capitalized terms used in the following sentence, other than the terms “Depositor” and “LLC Agreement”, have the respective meanings assigned to them in the LLC Agreement. So
long as any Obligation is outstanding, the Depositor shall not (i) except as contemplated in the Basic Documents, guarantee any obligation of any Person, including any Affiliate, (ii) engage, directly or indirectly, in any business other
than the activities required or permitted to be performed under Article Three of the LLC Agreement, the Basic Documents or Section 4.10 of the LLC Agreement, (iii) incur, create or assume any indebtedness other than as expressly permitted
under Article Three of the LLC Agreement, the Basic Documents or Section 4.10 of the LLC Agreement, (iv) make or permit to remain outstanding any loan or advance to, or own or acquire any stock or securities of, any Person, except that the
Depositor may invest in those investments permitted under Article Three of the LLC Agreement, the Basic Documents or Section 4.10 of the LLC Agreement and may make any advance required or expressly permitted to be made pursuant to any provision
of Article Three of the LLC Agreement, the Basic Documents or Section 4.10 of the LLC Agreement and permit the same to remain outstanding in accordance with such provisions, (v) to the fullest extent permitted by law, engage in any
dissolution, liquidation, consolidation, merger, asset sale or transfer of ownership interests other than such activities as are expressly permitted pursuant to any provision of Article Three of the LLC Agreement, the Basic Documents or
Section 4.10 of the LLC Agreement or (vi) except as contemplated by Article Three of the LLC Agreement or the Basic Documents, form, acquire or hold any subsidiary (whether a corporation, partnership, limited liability company or other
entity). 
 (b) Notwithstanding any other provision of this Section 6.7 and any provision of law, the Depositor shall not do any of the
following: 
 (i) engage in any business or activity other than as set forth in clause (a) above; or 

(ii) without the unanimous written consent of the members of the Depositor and the members of the Board of Directors of the
Depositor (including all independent directors of the Depositor), (A) consolidate or merge the Depositor with or into any Person or sell all or substantially all of the assets of the Depositor, (B) institute proceedings to have the
Depositor be adjudicated bankrupt or insolvent, or consent to the institution of bankruptcy or insolvency proceedings against Depositor, (C) file a petition seeking, or consent to, reorganization or relief with respect to the Depositor under
any applicable federal or State law relating to bankruptcy, (D) consent to the appointment of a receiver, liquidator, assignee, trustee, sequestrator or other similar official of the 

  
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Depositor or a substantial part of its property, (E) make any assignment for the benefit of creditors of the Depositor, (F) admit in writing the Depositor’s inability to pay its
debts generally as they become due, (G) take any action in furtherance of any action set forth in clauses (A) through (F) above or (H) to the fullest extent permitted by law, dissolve or liquidate the Depositor. 

(c) The Depositor shall not amend its organizational documents except in accordance with the provisions thereof. 

ARTICLE VII 
 THE SERVICER 

7.1 Representations and Warranties of Servicer. The Servicer makes the following representations and warranties on which the Trust
shall be deemed to have relied in accepting the Trust Property. The representations and warranties speak as of the execution and delivery of this Agreement and shall survive the sale, transfer, assignment and conveyance of the Trust Property to the
Trust pursuant to this Agreement and the pledge of the Trust Property to the Indenture Trustee pursuant to the Indenture: 
 (a)
Organization and Good Standing. The Servicer has been duly organized and is validly existing as a limited liability company in good standing under the laws of the State of Delaware, has the power, authority and legal right to own its
properties and to conduct its business as such properties are currently owned and such business is currently conducted and has the power, authority and legal right to acquire, own, sell and service the Receivables and to hold the Receivable Files as
custodian on behalf of the Trust. 
 (b) Due Qualification. The Servicer is duly qualified to do business as a foreign limited
liability company in good standing and has obtained all necessary licenses and approvals in each jurisdiction in which the failure to so qualify or to obtain such licenses and approvals would, in the reasonable judgment of the Servicer, materially
and adversely affect the performance by the Servicer of its obligations under, or the validity or enforceability of, this Agreement, the Indenture, the Trust Agreement, any of the other Transaction Documents, the Receivables, the Notes or the
Certificates. 
 (c) Power and Authority. The Servicer has the power and authority to execute, deliver and perform its obligations
under this Agreement and the other Transaction Documents to which it is a party, and the execution, delivery and performance of this Agreement and the other Transaction Documents to which the Servicer is a party have been duly authorized by the
Servicer by all necessary action. 
 (d) Binding Obligation. This Agreement and the other Transaction Documents to which the Servicer
is a party constitute legal, valid and binding obligations of the Servicer, enforceable against the Servicer in accordance with their terms, subject, as to enforceability, to applicable bankruptcy, insolvency, reorganization, conservatorship,
receivership, liquidation and other similar laws and to general equitable principles. 
 (e) No Violation. The execution, delivery
and performance by the Servicer of this Agreement and the other Transaction Documents to which the Servicer is a party, the 

  
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consummation of the transactions contemplated hereby and thereby and the fulfillment of the terms hereof and thereof will not conflict with, result in a breach of any of the terms and provisions
of or constitute (with or without notice or lapse of time or both) a default under the certificate of formation or limited liability company agreement of the Servicer or any material indenture, agreement, mortgage, deed of trust or other instrument
to which the Servicer is a party or by which the Servicer is bound or to which any of its properties are subject, or result in the creation or imposition of any lien upon any of its properties pursuant to the terms of any such indenture, agreement,
mortgage, deed of trust or other instrument, or violate any law, order, rule or regulation applicable to the Servicer or its properties of any federal or State regulatory body, court, administrative agency or other governmental instrumentality
having jurisdiction over the Servicer or any of its properties. 
 (f) No Proceedings. There are no proceedings or investigations
pending, or, to the knowledge of the Servicer, threatened, against the Servicer before any court, regulatory body, administrative agency or other tribunal or governmental instrumentality having jurisdiction over the Servicer or its properties
(i) asserting the invalidity of this Agreement, (ii) seeking to prevent the consummation of any of the transactions contemplated by this Agreement or (iii) seeking any determination or ruling that, in the reasonable judgment of the
Servicer would materially and adversely affect the performance by the Servicer of its obligations under, or the validity or enforceability of, this Agreement or the Receivables. 

(g) Security Interest Matters. The Servicer has in its possession all original copies of the motor vehicle retail installment sale
contracts that constitute or evidence the Receivables. The motor vehicle retail installment sale contracts that constitute or evidence the Receivables do not have any marks or notations indicating that they have been pledged, assigned or otherwise
conveyed to any Person other than the Depositor, the Trust or the Indenture Trustee. 
 7.2 Liability of Servicer; Indemnities. 

(a) The Servicer shall be liable in accordance herewith only to the extent of the obligations specifically undertaken by the Servicer under
this Agreement. 
 (b) The Servicer shall indemnify, defend and hold harmless the Trust, the Owner Trustee, the Indenture Trustee, the
Noteholders, the Certificateholders and the Depositor from and against all costs, expenses, losses, claims, actions, suits, damages and liabilities arising out of or incurred in connection with the use, ownership or operation by the Servicer or any
Affiliate of the Servicer of a Financed Vehicle. 
 (c) The Servicer shall indemnify, defend and hold harmless the Trust, the Owner Trustee
and the Indenture Trustee from and against any taxes that may at any time be asserted against any such Person with respect to the transactions contemplated in this Agreement or the other Transaction Documents, including any sales, gross receipts,
general corporation, tangible personal property, privilege or license taxes (including any tax imposed under HB3 but, in the case of the Trust, not including any taxes asserted with respect to, and as of the date of, the transfer of the Receivables
to the Trust or the issuance and original sale of the Notes or the Certificates or asserted with respect to ownership of the Receivables or federal or other Applicable Tax State income taxes arising out of the transactions contemplated by this
Agreement and the other Transaction Documents), and all costs and expenses in defending against such taxes. 

  
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 (d) The Servicer shall indemnify, defend and hold harmless the Trust, the Owner Trustee, the
Indenture Trustee, the Noteholders, the Certificateholders and the Depositor from and against any loss, liability or expense incurred by reason of the Servicer’s willful misfeasance, bad faith or gross negligence in the performance of its
duties under this Agreement or any other Transaction Document to which it is a party or by reason of a reckless disregard of its obligations and duties under this Agreement or any other Transaction Document to which it is a party. 

(e) The Servicer shall indemnify, defend and hold harmless the Owner Trustee and the Indenture Trustee and their respective officers,
directors, employees and agents from and against all costs, expenses, losses, claims, actions, suits, damages and liabilities arising out of or incurred in connection with the acceptance or performance of the trusts and duties contained herein and
in the Trust Agreement, in the case of the Owner Trustee, and in the Indenture, in the case of the Indenture Trustee, except to the extent that such cost, expense, loss, claim, damage or liability (i) shall be due to the willful misfeasance,
bad faith or gross negligence (except for errors in judgment) of the Owner Trustee or the Indenture Trustee, as applicable, (ii) in the case of the Owner Trustee, shall arise from the breach by the Owner Trustee of any of its representations or
warranties set forth in the Trust Agreement, (iii) in the case of the Indenture Trustee, shall arise from the breach by the Indenture Trustee of any of its representations and warranties set forth in the Indenture or (iv) relates to any
tax other than the taxes with respect to which either the Depositor or the Servicer shall be required to indemnify the Owner Trustee or the Indenture Trustee, as applicable. 

(f) For purposes of this Section 7.2, in the event of a termination of the rights and obligations of CarMax (or any successor Servicer,
as applicable) as Servicer pursuant to Section 8.1 or a resignation by CarMax (or any successor Servicer, as applicable) as Servicer pursuant to Section 7.6, CarMax (or the successor Servicer, as applicable) shall be deemed to be the
Servicer pending appointment of a successor Servicer pursuant to Section 8.2. Indemnification under this Section 7.2 by CarMax (or the successor Servicer, as applicable) as Servicer, with respect to the period such Person was (or was
deemed to be) the Servicer, shall survive the termination of such Person as Servicer or a resignation by such Person as Servicer as well as the resignation or removal of the Owner Trustee or the Indenture Trustee and the termination of this
Agreement and shall include the reasonable fees and expenses of counsel and expenses of litigation and the fees and expenses of the Owner Trustee and the Indenture Trustee. If the Servicer shall have made any indemnity payments pursuant to this
Section 7.2 and the Person to or on behalf of whom such payments are made thereafter shall collect any of such amounts from others, such Person shall promptly repay such amounts to the Servicer, without interest. 

7.3 Merger or Consolidation of, or Assumption of the Obligations of, Servicer. 

(a) Any Person (i) into which the Servicer shall be merged or consolidated, (ii) resulting from any merger, conversion or
consolidation to which the Servicer shall be a party 

  
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or (iii) that shall succeed by purchase and assumption to all or substantially all of the business of the Servicer, which Person in any of the foregoing cases is an Eligible Servicer and
executes an agreement of assumption to perform every obligation of the Servicer under this Agreement, shall be the successor to the Servicer under this Agreement without the execution or filing of any other document or any further act on the part of
any of the parties to this Agreement; provided, however, that (x) the Servicer shall have delivered to the Depositor, the Owner Trustee and the Indenture Trustee an Officer’s Certificate and an Opinion of Counsel each stating
that such merger, conversion, consolidation or succession and such agreement of assumption comply with this Section 7.3 and (y) the Servicer shall have delivered to the Depositor, the Owner Trustee and the Indenture Trustee an Opinion of
Counsel either (A) stating that, in the opinion of such counsel, all financing statements and continuation statements and amendments thereto have been authorized and filed that are necessary to fully preserve and protect the interest of the
Trust and the Indenture Trustee, respectively, in the Receivables, and reciting the details of such filings or referring to prior Opinions of Counsel in which such details are given, or (B) stating that, in the opinion of such counsel, no such
action shall be necessary to fully preserve and protect such interest. The Servicer shall provide prior written notice of any merger, conversion, consolidation or succession pursuant to this Section 7.3 to the Rating Agencies. Notwithstanding
anything to the contrary contained herein, the execution of the foregoing agreement of assumption and compliance with clauses (x) and (y) above shall be conditions to the consummation of the transactions referred to in clauses (i),
(ii) and (iii) above. 
 7.4 Limitation on Liability of Servicer and Others. 

(a) Neither the Servicer nor any of the directors, officers, employees or agents of the Servicer shall be under any liability to the Trust,
the Noteholders or the Certificateholders for any action taken or for refraining from the taking of any action pursuant to this Agreement or for errors in judgment; provided, however, that this provision shall not protect the Servicer
or any such Person against any liability that would otherwise be imposed by reason of willful misfeasance or bad faith in the performance of duties or by reason of reckless disregard of obligations and duties under this Agreement, or by reason of
negligence in the performance of duties under this Agreement (except for errors in judgment). The Servicer and its directors, officers, employees and agents, may rely in good faith on the advice of counsel or on any document of any kind prima
facie properly executed and submitted by any Person in respect of any matters arising under this Agreement. 
 (b) The Servicer shall
not be under any obligation to appear in, prosecute or defend any legal action that shall not be incidental to its duties to service the Receivables in accordance with this Agreement and that in its opinion may involve it in any expense or
liability; provided, however, that the Servicer may undertake any reasonable action that it may deem necessary or desirable in respect of this Agreement and the rights and duties of the parties to this Agreement and the interests of
the Noteholders and the Certificateholders under this Agreement. In such event, the legal expenses and costs of such action and any liability resulting therefrom shall be expenses, costs and liabilities of the Servicer. 

(c) The parties expressly acknowledge and consent to Wells Fargo Bank, National Association, acting in the capacity of Indenture Trustee and
in the possible dual capacity of successor Servicer and Indenture Trustee. Wells Fargo Bank, National Association, 

  
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may, in such dual or other capacity, discharge its separate functions fully, without hindrance or regard to conflict of interest principles, duty of loyalty principles or other breach of
fiduciary duties to the extent that any such conflict or breach arises from the performance by Wells Fargo Bank, National Association, of express duties set forth in this Agreement in any of such capacities, all of which defenses, claims or
assertions are hereby expressly waived by the other parties hereto and the Noteholders except in the case of gross negligence and willful misconduct by Wells Fargo Bank, National Association. 

7.5 Delegation of Duties. The Servicer may at any time delegate its duties as servicer under this Agreement to third parties; provided,
however, that no such delegation shall relieve the Servicer of its responsibilities with respect to such duties and the Servicer shall be solely responsible for the fees of any such third party. 

7.6 Servicer Not to Resign. Subject to the provisions of Section 7.3(a), the Servicer shall not resign from its obligations and
duties under this Agreement except (i) upon a determination that the performance of its duties is no longer permissible under applicable law or (ii) upon the appointment of a successor Servicer and satisfaction of the Rating Agency
Condition with respect to such resignation and appointment. Any such determination permitting the resignation of the Servicer shall be evidenced by an Opinion of Counsel to such effect delivered to the Depositor, the Owner Trustee and the Indenture
Trustee. No such resignation shall become effective until the Indenture Trustee or another successor Servicer shall have (i) assumed the obligations and duties of the Servicer in accordance with Section 8.2 and (ii) become the
Administrator under the Administration Agreement pursuant to Section 20 thereof. 
 7.7 Servicer May Own Notes or Certificates.
The Servicer, and any Affiliate of the Servicer, may, in its individual or any other capacity, become the owner or pledgee of Notes or Certificates with the same rights as it would have if it were not the Servicer or an Affiliate of the Servicer,
except as otherwise expressly provided herein (including in the definition of “Note Balance”) or in the other Transaction Documents. Except as otherwise expressly provided herein (including in the definition of “Note Balance”) or
in the other Transaction Documents, Notes and Certificates so owned by or pledged to the Servicer or such Affiliate shall have an equal and proportionate benefit under the provisions of this Agreement and the other Transaction Documents, without
preference, priority or distinction as among the Notes and the Certificates. 

  
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 ARTICLE VIII 

SERVICING TERMINATION 
 8.1
Events of Servicing Termination. 
 (a) The occurrence of any one of the following events shall constitute an event of servicing
termination hereunder (each, an “Event of Servicing Termination”): 
 (i) any failure by the Servicer to
deliver to the Owner Trustee, the Indenture Trustee, the Depositor, the Seller, each Paying Agent or the Rating Agencies the Servicer’s Certificate for any Collection Period, which failure shall continue unremedied beyond the earlier of three
(3) Business Days following the date such Servicer’s Certificate was required to be delivered and the Business Day preceding the related Distribution Date, or any failure by the Servicer to make any required payment or deposit under this
Agreement, which failure shall continue unremedied beyond the earlier of five (5) Business Days following the date such payment or deposit was due and, in the case of a payment or deposit to be made no later than a Distribution Date or the
Business Day preceding a Distribution Date, such Distribution Date or preceding Business Day, as applicable; or 
 (ii) any
failure by the Servicer duly to observe or perform in any material respect any other covenant or agreement in this Agreement, which failure shall materially and adversely affect the rights of the Depositor or the Noteholders and shall continue
unremedied for a period of sixty (60) days after the date on which written notice of such failure, requiring the same to be remedied, shall have been given to the Servicer by the Depositor, the Owner Trustee or the Indenture Trustee or to the
Depositor, the Seller, the Servicer, the Owner Trustee and the Indenture Trustee by the Holders of Notes evidencing not less than 25% of the Note Balance of the Controlling Class; or 

(iii) any representation or warranty of the Servicer made in this Agreement or in any certificate delivered pursuant hereto or
in connection herewith, other than any representation and warranty relating to a Receivable that has been purchased by the Servicer, proving to have been incorrect in any material respect as of the time when the same shall have been made, and the
circumstance or condition in respect of which such representation or warranty was incorrect shall not have been eliminated or otherwise cured for a period of thirty (30) days after the date on which written notice of such circumstance or
condition, requiring the same to be eliminated or cured, shall have been given to the Servicer by the Depositor, the Owner Trustee or the Indenture Trustee or to the Depositor, the Seller, the Servicer, the Owner Trustee and the Indenture Trustee by
the Holders of Notes evidencing not less than 25% of the Note Balance of the Controlling Class; or 
 (iv) the entry of a
decree or order by a court or agency or supervisory authority of competent jurisdiction for the appointment of a conservator, receiver, liquidator or trustee for the Servicer in any bankruptcy, insolvency, readjustment of debt, marshalling of assets
and liabilities or similar proceeding, or for the winding up or liquidation of its affairs, which decree or order continues unstayed and in effect for a period of sixty (60) consecutive days; or 

  
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 (v) the consent by the Servicer to the appointment of a conservator, receiver,
liquidator or trustee in any bankruptcy, insolvency, readjustment of debt, marshalling of assets and liabilities or similar proceeding of or relating to the Servicer or relating to substantially all of its property, the admission in writing by the
Servicer of its inability to pay its debts generally as they become due, the filing by the Servicer of a petition to take advantage of any applicable bankruptcy, insolvency or reorganization statute, the making by the Servicer of an assignment for
the benefit of its creditors or the voluntary suspension by the Servicer of payment of its obligations; or 
 (vi) if CarMax
is the Servicer, the occurrence, as of any Distribution Date, of a Special Unrated Servicer Tangible Net Worth Event. 
 If an Event of
Servicing Termination shall have occurred and be continuing, the Indenture Trustee or the Holders of Notes evidencing not less than 51% of the Note Balance of the Controlling Class, in each case by notice then given in writing to the Depositor, the
Administrator and the Servicer (with a copy to the Indenture Trustee and the Owner Trustee if given by the Noteholders), may terminate all of the rights and obligations of the Servicer under this Agreement; provided, however, that the
indemnification obligations of the Servicer under Section 7.2 shall survive such termination. On or after the receipt by the Servicer of such written notice, all authority and power of the Servicer under this Agreement, whether with respect to
the Notes, the Certificates, the Trust Property or otherwise, shall pass to and be vested in the Indenture Trustee or other successor Servicer appointed under Section 8.2; provided, however, that the Indenture Trustee or such
other successor Servicer shall have no liability with respect to any obligation that was required to be performed by the terminated Servicer prior to the appointment of the Indenture Trustee or such other successor Servicer or any claim of any third
party base on any alleged action or inaction of the terminated Servicer. 
 (b) The Indenture Trustee and the Owner Trustee shall have no
obligation to notify the Noteholders, the Certificateholders or any other Person of the occurrence of any event specified in Section 8.1(a) prior to the continuance of such event through the end of any cure period specified in
Section 8.1(a). 
 8.2 Indenture Trustee to Act; Appointment of Successor Servicer. 

(a) Upon the resignation of the Servicer pursuant to Section 7.6 or the termination of the Servicer pursuant to Section 8.1, the
Indenture Trustee shall be the successor in all respects to the Servicer in its capacity as Servicer under this Agreement and shall be subject to all the obligations and duties placed on the Servicer by the terms and provisions of this Agreement;
provided, however, that the Indenture Trustee, as successor Servicer, shall not, in any event, make any Simple Interest Advances pursuant to Section 4.4, shall have no obligations pursuant to Section 3.7 with respect to the
repurchase of Receivables and shall have no obligations pursuant to Section 3.8 with respect to the fees and expenses of the Owner Trustee or the Indenture Trustee, the fees and expenses of the Owner Trustee’s attorneys or the Indenture
Trustee’s attorneys, the fees and expenses of any custodian appointed by the Owner Trustee or 

  
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the Indenture Trustee, the fees and expenses of independent accountants or expenses incurred in connection with distributions and reports to the Certificateholders or the Noteholders. As
compensation therefor, the Indenture Trustee shall be entitled to such compensation (whether payable out of the Collection Account or otherwise) as the Servicer would have been entitled to under this Agreement if no such resignation or termination
had occurred, except that all collections on or in respect of the Receivables shall be deposited in the Collection Account within two (2) Business Days of receipt and shall not be retained by the successor Servicer. Notwithstanding the
foregoing, the Indenture Trustee may, if it shall be unwilling so to act, or shall, if it is legally unable so to act, appoint, or petition a court of competent jurisdiction to appoint, an Eligible Servicer as the successor to the terminated
Servicer under this Agreement. In connection with such appointment, the Indenture Trustee may make such arrangements for the compensation of such successor Servicer out of collections on or in respect of the Receivables as it and such successor
shall agree; provided, however, that such compensation shall not be greater than that payable to CarMax as Servicer hereunder without the prior consent of the Holders of Notes evidencing at least 51% of the Note Balance of the
Controlling Class. The Indenture Trustee and such successor Servicer shall take such action, consistent with this Agreement, as shall be necessary to effectuate any such succession. The Indenture Trustee shall not be relieved of its duties as
successor Servicer under this Section 8.2 until a newly appointed Servicer shall have assumed the obligations and duties of the terminated Servicer under this Agreement. Notwithstanding anything to the contrary contained herein, in no event
shall the Indenture Trustee be liable for any servicing fee or for any differential in the amount of the servicing fee paid hereunder and the amount necessary to induce any successor Servicer to act as successor Servicer hereunder. 

(b) The successor Servicer is authorized and empowered to execute and deliver, on behalf of the outgoing Servicer, as attorney-in-fact or
otherwise, any and all documents and other instruments, and to do or accomplish all other acts or things necessary or appropriate to effect the transfer of servicing to the successor Servicer, whether to complete the transfer and endorsement of the
Receivable Files or the certificates of title to the Financed Vehicles or otherwise. The outgoing Servicer shall cooperate with the Indenture Trustee, the Owner Trustee and such successor Servicer in effecting the termination of its responsibilities
and rights as Servicer under this Agreement, including the transfer to the successor Servicer for administration of all cash amounts that are at the time held by the outgoing Servicer for deposit or thereafter shall be received with respect to a
Receivable, all Receivable Files and all information or documents that the successor Servicer may require. In addition, the outgoing Servicer shall transfer its electronic records relating to the Receivables to the successor Servicer in such
electronic form as the successor Servicer may reasonably request. All reasonable costs and expenses (including reasonable attorneys’ fees) incurred or payable by the successor Servicer in connection with the transfer of servicing (whether due
to termination, resignation or otherwise), including allowable compensation of employees and overhead costs incurred or payable in connection with the transfer of the Receivable Files or any amendment to this Agreement required in connection with
the transfer of servicing, (the “Transition Costs”) shall be paid by any applicable then outgoing Servicer upon presentation of reasonable documentation of such costs and expenses. Any such Transition Costs not paid by the outgoing
Servicer shall be paid solely from the application of Available Funds pursuant to Section 2.8(a)(ii) and (xiii) or Section 5.4(b)(ii) of the Indenture, as applicable. 

  
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 (c) If the Indenture Trustee is appointed successor Servicer pursuant to Section 8.2, it
shall be entitled to such compensation (whether payable out of the Collection Account or otherwise) as the outgoing Servicer would have been entitled to under this Agreement if such outgoing Servicer had not resigned or been terminated. If a Person
other than the Indenture Trustee is appointed successor Servicer pursuant to Section 8.2(a), the Indenture Trustee may make such arrangements for the compensation of such successor Servicer out of collections on or in respect of the Receivables
as it and such successor Servicer shall agree; provided, however, that such compensation shall not be greater than that payable to CarMax as Servicer hereunder without the prior consent of the Holders of Notes evidencing at least 51%
of the Note Balance of the Controlling Class; and, provided further, that, if a Person other than the Indenture Trustee is appointed successor Servicer pursuant to Section 8.2(a) because the Indenture Trustee refuses to act as
successor Servicer (in breach of the terms of this Agreement and notwithstanding that it is legally able to do so), the Indenture Trustee shall be liable for any Additional Servicing Fees with respect to such successor Servicer in an aggregate
amount not to exceed $150,000 per year. Notwithstanding anything to the contrary contained herein, in no event shall the Indenture Trustee be liable for any servicing fee or for any differential in the amount of the servicing fee paid hereunder and
the amount necessary to induce any successor Servicer to act as successor Servicer hereunder other than pursuant to the preceding sentence. 

(d) Notwithstanding anything contained in this Agreement to the contrary, the successor Servicer is authorized to accept and rely on all of
the accounting records (including computer records) and work of the prior Servicer relating to the Receivables (collectively, the “Predecessor Servicer Work Product”) without any audit or other examination thereof, and the successor
Servicer shall have no duty, responsibility, obligation or liability for the acts and omissions of the prior Servicer. If any error, inaccuracy, omission or incorrect or non-standard practice or procedure (collectively, “Errors”)
exists in any Predecessor Servicer Work Product and such Error makes it materially more difficult to service or should cause or materially contribute to the successor Servicer making or continuing any Error (collectively, “Continuing
Errors”), the successor Servicer shall have no duty, responsibility, obligation or liability for such Continuing Errors; provided, however, that the successor Servicer agrees to use its best efforts to prevent further
Continuing Errors. If the successor Servicer becomes aware of Errors or Continuing Errors, it shall, with the prior consent of the Holders of Notes evidencing at least 51% of the Note Balance of the Controlling Class, use its best efforts to
reconstruct and reconcile such data as is commercially reasonable to correct such Errors and Continuing Errors and to prevent future Continuing Errors. The successor Servicer shall be entitled to recover its costs expended in connection with such
efforts in accordance with Section 2.8(a)(ii) and (xiii) of the Indenture, as applicable. 
 8.3 Effect of Servicing
Transfer. 
 (a) After a transfer of servicing hereunder, the Indenture Trustee or successor Servicer shall notify the Obligors to make
directly to the successor Servicer payments that are due under the Receivables after the effective date of such transfer. 
 (b) Except as
provided in Section 8.2, after a transfer of servicing hereunder, the outgoing Servicer shall have no further obligations with respect to the administration, servicing, custody or collection of the Receivables and the successor Servicer shall
have all of 

  
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such obligations, except that the outgoing Servicer will transmit or cause to be transmitted directly to the successor Servicer for its own account, promptly on receipt and in the same form in
which received, any amounts or items held by the outgoing Servicer (properly endorsed where required for the successor Servicer to collect any such items) received as payments upon or otherwise in connection with the Receivables. 

(c) Any successor Servicer shall provide the Depositor with access to the Receivable Files and to the successor Servicer’s records
(whether written or automated) with respect to the Receivable Files. Such access shall be afforded without charge, but only upon reasonable request and during normal business hours at the offices of the successor Servicer. Nothing in this
Section 8.3 shall affect the obligation of the successor Servicer to observe any applicable law prohibiting disclosure of information regarding the Obligors, and the failure of the Servicer to provide access to information as a result of such
obligation shall not constitute a breach of this Section 8.3. 
 (d) Any transfer of servicing hereunder shall not constitute an
assumption by the related successor Servicer of any liability of the related outgoing Servicer arising out of any breach by such outgoing Servicer of such outgoing Servicer’s duties hereunder prior to such transfer of servicing. 

8.4 Notification to Noteholders, Certificateholders and Rating Agencies. Upon any notice of an Event of Servicing Termination or upon
any termination of, or any appointment of a successor to, the Servicer pursuant to this Article VIII, the Indenture Trustee shall give prompt written notice thereof to the Noteholders and the Owner Trustee shall give prompt written notice thereof to
the Certificateholders, the Administrator and the Depositor (who shall promptly give such notice to the Rating Agencies). 
 8.5 Waiver
of Past Events of Servicing Termination. The Holders of Notes evidencing not less than 51% of the Note Balance of the Controlling Class may, on behalf of all Noteholders, waive any Event of Servicing Termination and its consequences, except an
event resulting from the failure to make any required deposits to or payments from the Collection Account, the Note Payment Account, the Certificate Payment Account or the Reserve Account in accordance with this Agreement. Upon any such waiver of an
Event of Servicing Termination, such event shall cease to exist, and shall be deemed to have been remedied for every purpose of this Agreement. No such waiver shall extend to any subsequent or other event or impair any right arising therefrom,
except to the extent expressly so waived. 
 8.6 Repayment of Advances. If the identity of the Servicer shall change, the predecessor
Servicer shall be entitled to receive reimbursement for outstanding and unreimbursed Simple Interest Advances made pursuant to Section 4.4 by the predecessor Servicer. 

  
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 ARTICLE IX 

TERMINATION 
 9.1 Optional
Purchase of All Receivables. 
 (a) If, as of the last day of any Collection Period, the Pool Balance shall be less than or equal to 10%
of the Pool Balance as of the Cutoff Date, the Servicer shall have the option to purchase on the following Distribution Date the Owner Trust Estate, other than the Collection Account, the Note Payment Account, the Certificate Payment Account or the
Reserve Account. To exercise such option, the Servicer shall notify the Depositor, the Owner Trustee, the Indenture Trustee and the Rating Agencies no later than ten (10) days prior to the Distribution Date on which such repurchase is to be
effected and shall deposit into the Collection Account on the Business Day preceding such Distribution Date an amount equal to the aggregate Purchase Amount for the Receivables, plus the appraised value of any other Trust Property, if
necessary, other than the Collection Account, the Note Payment Account, the Certificate Payment Account or the Reserve Account, such value to be determined by an appraiser mutually agreed upon by the Servicer, the Owner Trustee and the Indenture
Trustee; provided, however, that the Servicer shall not be permitted to exercise such option unless the amount to be deposited in the Collection Account pursuant to this Section (a) is at least equal to the sum of all amounts due
to the Servicer under this Agreement plus the Note Balance plus all accrued but unpaid interest (including any overdue interest) on the Notes plus all amounts due to the Servicer in any outstanding and unreimbursed Simple
Interest Advances and any outstanding and unreimbursed Unreimbursed Servicer Advances. Upon such payment, the Servicer shall succeed to and own all interests in and to the Trust. The aggregate Purchase Amount for such Distribution Date, plus,
to the extent necessary, all amounts in the Reserve Account shall be used to make payments in full to the Noteholders in the manner set forth in Article IV. 

(b) [RESERVED]. 
 (c) Following
the satisfaction and discharge of the Indenture and the payment in full of the principal of and interest on the Notes, the Certificateholders shall succeed to the rights of the Noteholders hereunder and the Indenture Trustee shall continue to carry
out its obligations hereunder with respect to the Certificateholders, including making distributions from the Collection Account in accordance with Section 4.6(d) and making withdrawals from the Reserve Account in accordance with Sections
4.6(b) and 4.7. 
 ARTICLE X 

MISCELLANEOUS PROVISIONS 
 10.1
Amendment. 
 (a) This Agreement may be amended from time to time by the Depositor, the Servicer and the Owner Trustee, on behalf of
the Trust, with the consent of the Indenture Trustee, but without the consent of any of the Noteholders, to cure any ambiguity, to correct or supplement any provision in this Agreement that may be inconsistent with any other provisions in this
Agreement or any offering document used in connection with the initial offer and sale of the Notes or to add, change or eliminate any other provisions with respect to matters or questions 

  
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arising under this Agreement that are not inconsistent with the provisions of this Agreement; provided, however, that (i) no such amendment may materially adversely affect the
interests of any Noteholder and (ii) no such amendment will be permitted unless an Opinion of Counsel is delivered to the Depositor, the Owner Trustee and the Indenture Trustee to the effect that such amendment will not cause the Trust to be
characterized for federal income tax purposes as an association taxable as a corporation or otherwise have any material adverse impact on the federal income taxation of any Notes Outstanding or any Noteholder. 

(b) This Agreement may also be amended from time to time by the Depositor, the Servicer and the Owner Trustee, on behalf of the Trust, with
the consent of the Indenture Trustee and the consent of the Holders of Notes evidencing at least 66 2/3% of the Note Balance of the Controlling Class, for the purpose of adding any provisions to or changing in any manner or eliminating any of the
provisions of this Agreement, or of modifying in any manner the rights of the Noteholders; provided, however, that (x) no such amendment will be permitted unless an Opinion of Counsel is delivered to the Depositor, the Owner
Trustee and the Indenture Trustee to the effect that such amendment will not cause the Trust to be characterized for federal income tax purposes as an association taxable as a corporation or otherwise have any material adverse impact on the federal
income taxation of any Notes Outstanding or any Noteholder and (y) that no such amendment may: 
 (i) increase or reduce
in any manner the amount of, or accelerate or delay the timing of, or change the allocation or priority of, collections of payments on or in respect of the Receivables or distributions that are required to be made for the benefit of the Noteholders,
or change any Note Rate, without the consent of all Noteholders adversely affected by such amendment; 
 (ii) reduce the
percentage of the Note Balance of the Controlling Class the consent of the Holders of which is required for any amendment to this Agreement without the consent of all the Noteholders adversely affected by such amendment; or 

(iii) modify or alter the definition of the term “Required Reserve Account Amount” without the consent of all the
Noteholders adversely affected by such amendment. 
 (c) An amendment to this Agreement shall be deemed not to materially adversely affect
the interests of any Noteholder if (i) the Person requesting such amendment obtains and delivers to the Indenture Trustee and the Owner Trustee an Opinion of Counsel to that effect or (ii) the Rating Agency Condition is satisfied. 

(d) Prior to the execution of any amendment or consent pursuant to Section 10.1, the Servicer shall provide written notification of the
substance of such amendment or consent to each Rating Agency. 
 (e) Promptly after the execution of any amendment or consent pursuant to
Section 10.1(b), the Owner Trustee shall furnish written notification of the substance of such amendment or consent to each Certificateholder. It shall not be necessary for the consent of the Noteholders pursuant to Section 10.1(b) to
approve the particular form of any proposed 

  
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amendment or consent, but it shall be sufficient if such consent shall approve the substance thereof. The manner of obtaining such consents (and any other consents of the Noteholders provided for
in this Agreement) and of evidencing the authorization of the execution thereof by the Noteholders shall be subject to such reasonable requirements as the Owner Trustee and the Indenture Trustee may prescribe. 

(f) Prior to the execution of any amendment pursuant to Section 10.1, the Depositor, the Owner Trustee and the Indenture Trustee shall be
entitled to receive and rely upon (i) an Opinion of Counsel stating that the execution of such amendment is authorized or permitted by this Agreement and (ii) an Officer’s Certificate of the Servicer that all conditions precedent
provided for in this Agreement to the execution of such amendment have been complied with. The Owner Trustee or the Indenture Trustee may, but shall not be obligated to, enter into any such amendment which affects such Owner Trustee’s or
Indenture Trustee’s own rights, duties or immunities under this Agreement or otherwise. 
 (g) The representations and warranties set
forth in Sections 2.3(m), 2.3(n) and Section 7.1(g) may not be amended or waived. 
 10.2 Protection of Title to Trust. 

(a) The Depositor or the Servicer, or both, shall authorize and file such financing statements and cause to be authorized and filed such
continuation statements, all in such manner and in such places as may be required by law fully to preserve, maintain and protect the interest of the Trust and the Indenture Trustee for the benefit of the Noteholders in the Receivables and the
proceeds thereof. The Depositor or the Servicer, or both, shall deliver (or cause to be delivered) to the Owner Trustee and the Indenture Trustee file-stamped copies of, or filing receipts for, any document filed as provided above as soon as
available following such filing. 
 (b) Neither the Depositor nor the Servicer shall change its name, identity or organizational structure
in any manner that would make any financing statement or continuation statement filed by the Depositor or the Servicer in accordance with Section (a) seriously misleading within the meaning of Section 9-506 of the Relevant UCC, unless it
shall have given the Owner Trustee and the Indenture Trustee at least sixty (60) days’ prior written notice thereof and shall have promptly filed such amendments to previously filed financing statements or continuation statements or such
new financing statements as may be necessary to continue the perfection of the interest of the Trust and the Indenture Trustee for the benefit of the Noteholders in the Receivables and the proceeds thereof. 

(c) Each of the Depositor and the Servicer shall give the Owner Trustee and the Indenture Trustee at least sixty (60) days’ prior
written notice of any change in its name, identity, organizational structure or jurisdiction of organization or any relocation of its principal place of business or chief executive office if, as a result of such change or relocation, the applicable
provisions of the Relevant UCC would require the filing of any amendment to any previously filed financing statement or continuation statement or of any new financing statement and shall promptly file any such amendment, continuation statement or
new financing statement. The Depositor shall at all times maintain its jurisdiction of organization, its principal place of 

  
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business and its chief executive office within the United States. The Servicer shall at all times maintain each office from which it shall service Receivables and each office at which the
Receivable Files are located within the United States. 
 (d) The Servicer shall maintain accounts and records as to each Receivable
accurately and in sufficient detail to permit (i) the reader thereof to know at any time the status of such Receivable, including payments and recoveries made and payments owing (and the nature of each) and (ii) reconciliation between
payments or recoveries on (or with respect to) each Receivable and the amounts from time to time deposited in the Collection Account and the Reserve Account in respect of such Receivable. 

(e) The Servicer shall maintain its computer systems so that, from and after the time of the transfer of the Receivables to the Trust pursuant
to this Agreement, the Servicer’s master computer records (including any back-up archives) that refer to a Receivable shall indicate clearly and unambiguously the interest of the Trust and the Indenture Trustee in such Receivable and that such
Receivable is owned by the Trust and has been pledged to the Indenture Trustee pursuant to the Indenture. Indication of the Trust’s and the Indenture Trustee’s interest in a Receivable shall be deleted from or modified on the
Servicer’s computer systems when, and only when, such Receivable shall have been paid in full or repurchased by the Depositor or purchased by the Servicer. 

(f) If at any time the Depositor or the Servicer shall propose to sell, grant a security interest in or otherwise transfer any interest in any
motor vehicle retail installment sale contract to any prospective purchaser, lender or other transferee, the Servicer shall give to such prospective purchaser, lender or other transferee computer tapes, compact disks, records or print-outs
(including any restored from back-up archives) that, if they shall refer in any manner whatsoever to any Receivable, shall indicate clearly and unambiguously that such Receivable has been sold and is owned by the Trust and has been pledged to the
Indenture Trustee (unless such Receivable has been paid in full or repurchased by the Depositor or purchased by the Servicer). 
 (g) The
Servicer shall permit the Owner Trustee, the Indenture Trustee and their respective agents at any time during normal business hours to inspect, audit and make copies of and abstracts from the Servicer’s records regarding any Receivable. 

(h) If the Depositor has repurchased one or more Receivables from the Trust pursuant to Section 2.4 or the Servicer has purchased one or
more Receivables from the Trust pursuant to Section 3.7, the Servicer shall, upon request, furnish to the Owner Trustee and the Indenture Trustee, within ten (10) Business Days, a list of all Receivables (by contract number and name of
Obligor) then held as part of the Trust, together with a reconciliation of such list to the Receivable Schedule and to each of the Servicer’s Certificates furnished before such request indicating removal of Receivables from the Trust. 

(i) The Servicer shall deliver to the Depositor and the Depositor shall deliver to the Owner Trustee and the Indenture Trustee: 

(1) promptly after the authorization and delivery of each amendment to any financing statement, an Opinion of Counsel either
(A) stating 

  
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that, in the opinion of such counsel, all financing statements and continuation statements have been authorized and filed that are necessary fully to preserve and protect the interest of the
Depositor (in the case of an opinion delivered by the Servicer) or the Trust and the Indenture Trustee (in the case of an opinion delivered by the Depositor) in the Receivables, and reciting the details of such filings or referring to prior Opinions
of Counsel in which such details are given, or (B) stating that, in the opinion of such counsel, no such action shall be necessary to preserve and protect such interest; and 

(2) within ninety (90) days after the beginning of each calendar year (beginning with the year 2016), an Opinion of
Counsel, dated as of a date during such 90-day period, either (A) stating that, in the opinion of such counsel, all financing statements and continuation statements have been authorized and filed that are necessary fully to preserve and protect
the interest of the Depositor (in the case of an opinion delivered by the Servicer) or the Trust and the Indenture Trustee (in the case of an opinion delivered by the Depositor) in the Receivables, and reciting the details of such filings or
referring to prior Opinions of Counsel in which such details are given, or (B) stating that, in the opinion of such counsel, no such action shall be necessary to preserve and protect such interest. 

Each Opinion of Counsel referred to in clause (i)(1) or (i)(2) above shall specify any action necessary (as of the date of such opinion) to be
taken on or before March 31 of the following year to preserve and protect such interest. 
 (j) The Depositor shall, to the extent
required by applicable law, cause the Notes to be registered with the Commission pursuant to Section 12(b) or Section 12(g) of the Exchange Act within the time periods specified in such sections. 

10.3 GOVERNING LAW. THIS AGREEMENT SHALL BE CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK AND THE OBLIGATIONS, RIGHTS
AND REMEDIES OF THE PARTIES UNDER THIS AGREEMENT SHALL BE DETERMINED IN ACCORDANCE WITH SUCH LAWS WITHOUT GIVING EFFECT TO THE CONFLICTS OF LAWS PROVISIONS THEREOF WHICH MAY REQUIRE THE APPLICATION OF THE LAWS OF ANY OTHER JURISDICTION (OTHER THAN
SECTION 5-1401 OF THE NEW YORK GENERAL OBLIGATIONS LAW). 
 10.4 Notices. All demands, notices and other communications under this
Agreement shall be in writing, personally delivered, sent by telecopier, email, overnight courier or mailed by certified mail, return receipt requested, and shall be deemed to have been duly given upon receipt (i) in the case of the Depositor,
at the following address: 12800 Tuckahoe Creek Parkway, Suite 400, Richmond, Virginia 23238, Attention: Treasurer, (ii) in the case of the Seller, the Servicer or the Administrator, at the following address: 12800 Tuckahoe Creek Parkway,
Richmond, Virginia 23238, Attention: Treasury Department, (iii) in the case of the Trust or the Owner Trustee, at the related Corporate Trust Office, (iv) in the case of the Indenture Trustee, at the related Corporate Trust Office,
(v) in the case of Fitch, at the following address: Fitch Ratings, Inc., 33 Whitehall Street, New York, New York 10004, Attention: Auto 

  
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Asset Backed Securities Group, and via email to notifications.abs@fitchratings.com and (vi) in the case of Moody’s, at the following address: Moody’s Investors Service, Inc., ABS
Monitoring Department, 25th Floor, 7 World Trade Center, 250 Greenwich Street, New York, New York 10007. 
 10.5 Severability of
Provisions. If any one or more of the covenants, agreements, provisions or terms of this Agreement shall be for any reason whatsoever held invalid, then such covenants, agreements, provisions or terms shall be deemed severable from the remaining
covenants, agreements, provisions or terms of this Agreement and shall in no way affect the validity or enforceability of the other provisions of this Agreement, or of the Notes or the Certificates, or the rights of the Holders thereof. 

10.6 Assignment. Notwithstanding anything to the contrary contained herein, except as provided in Sections 7.2 and 8.2 and as provided
in the provisions of this Agreement concerning the resignation of the Servicer, this Agreement may not be assigned by the Depositor or the Servicer without the prior written consent of the Owner Trustee, the Indenture Trustee and the Holders of
Notes evidencing not less than 66 2/3% of the Note Balance of the Controlling Class. 
 10.7 Further Assurances. The Depositor, the
Servicer and the Trust agree to do and perform, from time to time, any and all acts and to authorize and/or execute any and all further instruments required or reasonably requested by the Owner Trustee or the Indenture Trustee more fully to effect
the purposes of this Agreement, including the authorization of any financing statements or continuation statements relating to the Receivables for filing under the provisions of the Relevant UCC of any applicable jurisdiction. 

10.8 No Waiver; Cumulative Remedies. No failure to exercise and no delay in exercising, on the part of the Depositor, the Servicer, the
Owner Trustee, the Indenture Trustee, the Noteholders or the Certificateholders, any right, remedy, power or privilege hereunder, shall operate as a waiver thereof, nor shall any single or partial exercise of any right, remedy, power or privilege
hereunder preclude any other or further exercise thereof or the exercise of any other right, remedy, power or privilege. The rights, remedies, powers and privileges provided in this Agreement are cumulative and not exhaustive of any rights,
remedies, powers and privileges provided by law. 
 10.9 Third-Party Beneficiaries. This Agreement shall inure to the benefit of and
be binding upon the parties hereto, the Owner Trustee, the Noteholders, the Certificateholders and their respective successors and permitted assigns. Except as otherwise provided in this Article X, no other Person shall have any right or obligation
hereunder. The parties hereto hereby acknowledge and consent to the pledge of this Agreement by the Trust to the Indenture Trustee for the benefit of the Noteholders pursuant to the Indenture. 

10.10 Actions by Noteholder or Certificateholders. 

(a) Wherever in this Agreement a provision is made that an action may be taken or a notice, demand or instruction given by the Noteholders or
the Certificateholders, such action, notice or instruction may be taken or given by any Noteholder or any Certificateholder, as applicable, unless such provision requires a specific percentage of the Noteholders or the Certificateholders. 

(b) Any request, demand, authorization, direction, notice, consent, waiver or other act by a Noteholder or a Certificateholder shall bind such
Noteholder or Certificateholder and every subsequent Holder of such Note or Certificate issued upon the registration of transfer thereof or in exchange therefor or in lieu thereof in respect of anything done or omitted to be done by the Owner
Trustee, the Indenture Trustee or the Servicer in reliance thereon, whether or not notation of such action is made upon such Note or Certificate. 

  
 63 








 10.11 Counterparts. For the purpose of facilitating the execution of this Agreement and
for other purposes, this Agreement may be executed simultaneously in any number of counterparts, each of which counterparts shall be deemed to be an original, and all of which counterparts shall constitute but one and the same instrument. 

10.12 No Bankruptcy Petition. The Owner Trustee, the Indenture Trustee, the Trust and the Servicer each covenants and agrees that it
will not at any time institute against, or join any other Person in instituting against, the Depositor or the Trust any bankruptcy, reorganization, arrangement, insolvency or liquidation proceedings or other proceedings under any federal or state
bankruptcy or similar law. This Section 10.12 shall survive the resignation or removal of the Owner Trustee under the Trust Agreement and the Indenture Trustee under the Indenture and shall survive the termination of the Trust Agreement and the
Indenture. 
 10.13 Limitation of Liability of Owner Trustee and Indenture Trustee. 

(a) Notwithstanding anything to the contrary contained herein, this Agreement has been countersigned by the Owner Trustee not in its
individual capacity but solely in its capacity as Owner Trustee of the Trust, and in no event shall the Owner Trustee in its individual capacity have any liability for the representations, warranties, covenants, agreements or other obligations of
the Trust hereunder or in any of the certificates, notices or agreements delivered pursuant hereto, as to all of which recourse shall be had solely to the assets of the Trust. For all purposes of this Agreement, in the performance of its duties or
obligations hereunder or in the performance of any duties or obligations of the Trust hereunder, the Owner Trustee shall be subject to, and entitled to the benefits of, the terms and provisions of Articles VI, VII and VIII of the Trust Agreement.

 (b) Notwithstanding anything to the contrary contained herein, this Agreement has been accepted by the Indenture Trustee not in its
individual capacity but solely as Indenture Trustee, and in no event shall the Indenture Trustee in its individual capacity have any liability for the representations, warranties, covenants, agreements or other obligations of the Trust hereunder or
in any of the certificates, notices or agreements delivered pursuant hereto, as to all of which recourse shall be had solely to the assets of the Trust. 

10.14 Regulation AB. The Servicer and the Indenture Trustee shall cooperate in good faith with the Depositor to ensure compliance by
the Depositor with the provisions of Regulation AB and related rules and regulations of the Commission. The Servicer and the Indenture Trustee acknowledge that interpretations of the requirements of Regulation AB may 

  
 64 








 
change over time, whether due to interpretive guidance provided by the Commission or its staff, consensus among participants in the asset-backed securities markets, advice of counsel or
otherwise. The Servicer shall deliver to the Depositor (including any of its assignees or designees) upon request any and all reports, statements, certifications, records or other information necessary in the good faith determination of the
Depositor to permit the Depositor to comply with the provisions of Regulation AB, together with such disclosures relating to the Servicer and the Receivables, or the servicing of the Receivables, reasonably believed by the Depositor to be necessary
in order to effect such compliance. The Indenture Trustee shall deliver to the Depositor (including any of its assignees or designees) (i) any information required under Items 1109(a), 1109(b), 1117 and 1119 of Regulation AB to enable the
Depositor to comply with the provisions of Regulation AB, the Securities Act and the Exchange Act and the rules and regulations thereunder and (ii) within 60 days of the end of each fiscal year of the Depositor, a report regarding the Indenture
Trustee’s assessment of compliance with Regulation AB during the Depositor’s immediately preceding fiscal year, as required under Item 1122 of Regulation AB and Rule 15d-18 and Rule 13a-18 of the Exchange Act, which report shall
address each of the specified criteria in Exhibit D or such other criteria as mutually agreed upon by the Depositor and the Indenture Trustee, together with such disclosures relating to the Indenture Trustee and the Receivables, or the servicing of
the Receivables, reasonably believed by the Depositor to be necessary in order to effect such compliance. The Depositor shall not request information or disclosures pursuant to this Section 10.14 other than in good faith, or for purposes other
than compliance with the Securities Act, the Exchange Act or the rules and regulations of the Commission under the Securities Act or the Exchange Act. 

10.15 Communications Regarding Demands to Repurchase Receivables. The Servicer (if CarMax is no longer the Servicer) agrees to
cooperate in good faith with any reasonable request by the Depositor for information regarding the Servicer which is required in order to enable the Depositor to comply with the provisions of Items 1104(e) and 1121(c) of Regulation AB and Rule
15Ga-1 under the Exchange Act as it relates to the Servicer or to the Servicer’s obligations under this Agreement. The Servicer (if CarMax is no longer the Servicer) shall provide the Depositor with notification, as soon as practicable and in
any event within five Business Days, of all demands communicated to the Servicer for the repurchase or replacement of any Receivable. 

[SIGNATURE PAGES FOLLOW] 

  
 65 








 IN WITNESS WHEREOF, the Trust, the Depositor and the Servicer have caused this Agreement to be
duly executed by their respective officers, thereunto duly authorized, all as of the day and year first above written. 
  

			
	CARMAX AUTO OWNER TRUST 2015-3
	
	By: U.S. BANK TRUST NATIONAL ASSOCIATION,
	not in its individual capacity but solely
	as Owner Trustee
		
	By:	 	 /s/ Christopher J. Nuxoll

	Name:	 	Christopher J. Nuxoll
	Title:	 	Vice President
	
	 CARMAX AUTO FUNDING LLC,

as Depositor


		
	By:	 	 /s/ Andrew J. McMonigle

	Name:	 	Andrew J. McMonigle
	Title:	 	Vice President and Treasurer
	
	 CARMAX BUSINESS SERVICES, LLC,
  

as Servicer


		
	By:	 	 /s/ Thomas W. Reedy

	Name:	 	Thomas W. Reedy
	Title:	 	Executive Vice President and Chief Financial Officer










			
	Accepted and agreed:
	
	WELLS FARGO BANK, NATIONAL ASSOCIATION,
	not in its individual capacity but solely as Indenture Trustee
		
	By:	 	 /s/ Tara H. Anderson

	Name:	 	Tara H. Anderson
	Title:	 	Vice President








 Schedule 1 

Receivable Schedule 
 On
file with the Servicer at: 
 CarMax Business Services, LLC 

12800 Tuckahoe Creek Parkway 

Richmond, Virginia 23238 

  
 Sch. 1 








 Schedule 2 

Location of Receivable Files 
 5785A Brook
Hollow 
 Norcross, GA 30071 
 6751 Discovery Blvd 

Mableton, GA 30126 

  
 Sch. 2 








 Exhibit A 

Form of Servicer’s Certificate 

SEE ATTACHED 

  
 Ex. A 








 MONTHLY SERVICER’S CERTIFICATE 

CARMAX BUSINESS SERVICES, LLC 

CARMAX AUTO OWNER TRUST 

SERIES 2015-3 
  

			
	Collection Period	  	08/01/15-08/31/15
	Determination Date	  	9/9/2015
	Distribution Date	  	9/15/2015

  

									
	 Pool Balance
	  	 	 	  	 	 
	   1 . Pool Balance on the close of the last day of the preceding Collection Period
	  				  	$	1,000,000,010.35	  
	   2 . Collections allocable to Principal
	  				  	$	 	  
	   3 . Purchase Amount allocable to Principal
	  				  	$	 	  
	   4 . Defaulted Receivables
	  				  	$	 	  
		  				  	  
	  
	 
	   5 . Pool Balance on the close of the last day of the related Collection Period
   (Ln1 - Ln2 - Ln3 -
Ln4)
	  				  	$	1,000,000,010.35	  
			
	   6 . Total number of Receivables outstanding on the close of the last day of the related Collection Period
	  				  			
			
	   7 . Initial Pool Balance
	  				  	$	1,000,000,010.35	  
			
	   8 . Note Balances
	  	 
  
	Beginning of
 Period
	  
   
	  	 
  
	End of
 Period
	 
   

			
	    a. Class A-1 Note Balance 
	  	$	                            	  	  	$	                            	  
	    b. Class A-2a Note Balance
	  	$	 	  	  	$	 	  
	    c. Class A-2b Floating Rate Note Balance
	  	$	 	  	  	$	 	  
	    d. Class A-3 Note Balance
	  	$	 	  	  	$	 	  
	    e. Class A-4 Note Balance
	  	$	 	  	  	$	 	  
	    f. Class B Note Balance
	  	$	 	  	  	$	 	  
	    g. Class C Note Balance
	  	$	 	  	  	$	 	  
	    h. Class D Note Balance
	  	$	 	  	  	$	 	  
		  	  
	  
	 	  	  
	  
	 
	    i. Note Balance (sum a - h)
	  	$	 	  	  	$	 	  
			
	   9 . Pool Factors
	  				  			
			
	    a. Class A-1 Note Pool Factor
	  				  			
	    b. Class A-2a Note Pool Factor
	  				  			
	    c. Class A-2b Floating Rate Note Pool Factor
	  				  			
	    d. Class A-3 Note Pool Factor
	  				  			
	    e. Class A-4 Note Pool Factor
	  				  			
	    f. Class B Note Pool Factor
	  				  			
	    g. Class C Note Pool Factor
	  				  			
	    h. Class D Note Pool Factor
	  				  			
		  	  
	  
	 	  	  
	  
	 
	    i. Note Pool Factor
	  				  			
			
	 10 . Overcollateralization Target Amount
	  				  	$	 	  
	 11 . Current overcollateralization amount (Pool Balance - Note Balance)
	  				  	$	 	  
	 12 . Weighted Average Coupon
	  	 	         %	  
	 13 . Weighted Average Original Term
	  	 	months	  
	 14 . Weighted Average Remaining Term
	  	 	months	  
	 15 . 1- Month LIBOR for the accrual period ending 09/15/15
	  				  			
	 16 . Note Rate applicable to the Class A-2b notes for the accrual period ending 09/15/15
	  				  			
			
	 Collections
	  	 	 	  	 	 
	 17 . Finance Charges:
	  				  			
	    a. Collections allocable to Finance Charge
	  				  	$	 	  
	    b. Liquidation Proceeds allocable to Finance Charge
	  				  	$	 	  
	    c. Purchase Amount allocable to Finance Charge
	  				  	$	 	  
		  				  	  
	  
	 
	    d. Available Finance Charge Collections (sum a - c)
	  				  	$	 	  
			
	 18 . Principal:
	  				  			
	    a. Collections allocable to Principal
	  				  	$	 	  
	    b. Liquidation Proceeds allocable to Principal
	  				  	$	 	  
	    c. Purchase Amount allocable to Principal
	  				  	$	 	  
		  				  	  
	  
	 
	    d. Available Principal Collections (sum a - c)
	  				  	$	 	  
			
	 19 . Total Finance Charge and Principal Collections (17d+18d)
	  				  	$	 	  
	 20 . Interest Income from Collection Account
	  				  	$	 	  
	 21 . Simple Interest Advances
	  				  	$	 	  
		  				  	  
	  
	 
	 22 . Available Collections (Ln19+20+21)
	  				  	$	 	  









							
			
	 Available Funds
	  	 	  	 	 
			
	 23 . Available Collections
	  		  	$	 	  
	 24 . Reserve Account Draw Amount
	  		  	$	 	  
		  		  	  
	  
	 
	 25 . Available Funds
	  		  	$	 	  
			
	 Application of Available Funds
	  	 	  	 	 
			
	 26 . Servicing Fee
	  		  	$	 	  
	    a. Monthly Servicing Fee
	  		  			
	    b. Amount Unpaid from Prior Months
	  		  	$	 	  
	    c. Amount Paid
	  		  	$	 	  
		  		  	  
	  
	 
	    d. Shortfall Amount (a + b - c)
	  		  	$	 	  
			
	 27 . Unreimbursed Servicer Advances
	  		  	$	 	  
			
	 28 . Successor Servicer Unpaid Transition Expenses and Indemnity Amounts (Capped at
$175,000)
	  		  	$	 	  
	    a. Unpaid Transition Expenses and Indemnity Amounts (Capped at $175,000)
	  		  			
	    b. Amount Paid
	  		  	$	 	  
		  		  	  
	  
	 
	    c. Shortfall Amount (a - b)
	  		  	$	 	  
			
	 29 . Class A Noteholder Interest Amounts
	  		  	$	 	  
	    a. Class A-1 Monthly Interest
	  		  			
	    b. Additional Note Interest related to Class A-1 Monthly Interest
	  		  	$	 	  
	    c. Interest Due on Additional Note Interest related to Class A-1 Monthly Interest
	  		  	$	 	  
		  		  	  
	  
	 
	    d. Total Class A-1 Note Interest (sum a - c)
	  		  	$	 	  
			
	    e. Class A-2a Monthly Interest
	  		  	$	 	  
	    f. Additional Note Interest related to Class A-2a Monthly Interest
	  		  	$	 	  
	    g. Interest Due on Additional Note Interest related to Class A-2a Monthly Interest
	  		  	$	 	  
		  		  	  
	  
	 
	    h. Total Class A-2a Note Interest (sum e - g)
	  		  	$	 	  
			
	    i. Class A-2b Monthly Interest
	  		  	$	 	  
	    j. Additional Note Interest related to Class A-2b Monthly Interest
	  		  	$	 	  
	    k. Interest Due on Additional Note Interest related to Class A-2b Monthly Interest
	  		  	$	 	  
		  		  	  
	  
	 
	    l. Total Class A-2b Note Interest (sum i - k)
	  		  	$	 	  
			
	    m. Class A-3 Monthly Interest
	  		  	$	 	  
	    n. Additional Note Interest related to Class A-3 Monthly Interest
	  		  	$	 	  
	    o. Interest Due on Additional Note Interest related to Class A-3 Monthly Interest
	  		  	$	 	  
		  		  	  
	  
	 
	    p. Total Class A-3 Note Interest (sum m - o)
	  		  	$	 	  
			
	    q. Class A-4 Monthly Interest
	  		  	$	 	  
	    r. Additional Note Interest related to Class A-4 Monthly Interest
	  		  	$	 	  
	    s. Interest Due on Additional Note Interest related to Class A-4 Monthly Interest
	  		  	$	 	  
		  		  	  
	  
	 
	    t. Total Class A-4 Note Interest (sum q - s)
	  		  	$	 	  
			
	 30 . Priority Principal Distributable Amount
	  		  	$	 	  
			
	 31 . Class B Noteholder Interest Amount 
	  		  	$	 	  
	    a. Class B Monthly Interest
	  		  			
	    b. Additional Note Interest related to Class B Monthly Interest
	  		  	$	 	  
	    c. Interest Due on Additional Note Interest related to Class B Monthly Interest
	  		  	$	 	  
		  		  	  
	  
	 
	    d. Total Class B Note Interest (sum a - c)
	  		  	$	 	  
			
	 32 . Secondary Principal Distributable Amount
	  		  	$	 	  
			
	 33 . Class C Noteholder Interest Amount
	  		  	$	 	  
	    a. Class C Monthly Interest
	  		  			
	    b. Additional Note Interest related to Class C Monthly Interest
	  		  	$	 	  
	    c. Interest Due on Additional Note Interest related to Class C Monthly Interest
	  		  	$	 	  
		  		  	  
	  
	 
	    d. Total Class C Note Interest (sum a - c)
	  		  	$	 	  
			
	 34 . Tertiary Principal Distributable Amount
	  		  	$	 	  
			
	 35 . Class D Noteholder Interest Amount
	  		  	$	 	  
	    a. Class D Monthly Interest
	  		  			
	    b. Additional Note Interest related to Class D Monthly Interest
	  		  	$	 	  
	    c. Interest Due on Additional Note Interest related to Class D Monthly Interest
	  		  	$	 	  
		  		  	  
	  
	 
	    d. Total Class D Note Interest (sum a - c)
	  		  	$	 	  
			
	 36 . Quaternary Principal Distributable Amount
	  		  	$	 	  
			
	 37 . Required Payment Amount (Ln 26 + Ln 28 + (sum of Ln 29 through Ln 36))
	  		  	$	 	  
			
	 38 . Reserve Account Deficiency
	  		  	$	 	  









							
			
	 39 . Regular Principal Distributable Amount
	  		  	$	 	  
			
	 40 . Remaining Unpaid Servicer Transition Expenses, if any
	  		  	$	 	  
			
	 41 . Additional Servicing Fees, if any
	  		  	$	 	  
			
	 42 . Remaining Unpaid Successor Servicer Indemnity Amounts and Transition Expenses, if any
	  		  	$	 	  
			
	 Collection Account Activity
	  	 	  	 	 
			
	 43 . Deposits
	  		  			
	    a. Total Daily Deposits of Finance Charge Collections 
	  		  	$	 	  
	    b. Total Daily Deposits of Principal Collections
	  		  	$	 	  
	    c. Withdrawal from Reserve Account
	  		  	$	 	  
	    d. Interest Income
	  		  	$	 	  
		  		  	  
	  
	 
	    e. Total Deposits to Collection Account (sum a - d)
	  		  	$	 	  
			
	 44 . Withdrawals
	  		  			
	    a. Servicing Fee and Unreimbursed Servicer Advances 
	  		  	$	 	  
	    b. Successor Servicer Transition Expenses and Indemnity Amounts
	  		  	$	 	  
	    c. Deposit to Note Payment Account for Monthly Note Interest/Principal
	  		  	$	 	  
	    d. Deposit to Reserve Account
	  		  	$	 	  
	    e. Excess Collections (Deposit to Certificate Payment Account for payment to Certificateholder)
	  		  	$	 	  
		  		  	  
	  
	 
	    f. Total Withdrawals from Collection Account (sum a - e)
	  		  	$	 	  
			
	 Note Payment Account Activity
	  	 	  	 	 
			
	 45 . Deposits 
	  		  	$	 	  
	    a. Class A-1 Interest Distribution
	  		  	$	 	  
	    b. Class A-2a Interest Distribution
	  		  	$	 	  
	    c. Class A-2b Interest Distribution
	  		  	$	 	  
	    d. Class A-3 Interest Distribution
	  		  	$	 	  
	    e. Class A-4 Interest Distribution
	  		  	$	 	  
	    f. Class B Interest Distribution
	  		  	$	 	  
	    g. Class C Interest Distribution
	  		  	$	 	  
	    h. Class D Interest Distribution
	  		  	$	 	  
			
	    i. Class A-1 Principal Distribution
	  		  	$	 	  
	    j. Class A-2a Principal Distribution
	  		  	$	 	  
	    k. Class A-2b Principal Distribution
	  		  	$	 	  
	    l. Class A-3 Principal Distribution
	  		  	$	 	  
	    m.Class A-4 Principal Distribution
	  		  	$	 	  
	    n. Class B Principal Distribution
	  		  	$	 	  
	    o. Class C Principal Distribution
	  		  	$	 	  
	    p. Class D Principal Distribution
	  		  	$	 	  
		  		  	  
	  
	 
	    q. Total Deposits to Note Payment Account (sum a - p)
	  		  	$	 	  
			
	 46 . Withdrawals
	  		  			
	    a. Class A-1 Distribution
	  		  	$	 	  
	    b. Class A-2a Distribution
	  		  	$	 	  
	    c. Class A-2b Distribution
	  		  	$	 	  
	    d. Class A-3 Distribution
	  		  	$	 	  
	    e. Class A-4 Distribution
	  		  	$	 	  
	    f. Class B Distribution
	  		  	$	 	  
	    g. Class C Distribution
	  		  	$	 	  
	    h. Class D Distribution
	  		  	$	 	  
		  		  	  
	  
	 
	    i. Total Withdrawals from Note Payment Account (sum a - h)
	  		  	$	 	  
			
	 Certificate Payment Account Activity
	  	 	  	 	 
			
	 47 . Deposits
	  		  			
	    a. Excess Collections
	  		  	$	 	  
	    b. Reserve Account surplus (Ln 57)
	  		  	$	 	  
		  		  	  
	  
	 
	    c. Total Deposits to Certificate Payment Account (sum a - b)
	  		  	$	 	  
			
	 48 . Withdrawals
	  		  			
	    a. Certificateholder Distribution
	  		  	$	 	  
		  		  	  
	  
	 
	    b. Total Withdrawals from Certificate Payment Account
	  		  	$	 	  
			
	 Required Reserve Account Amount
	  	 	  	 	 
			
	 49 . Lesser of: (a or b)
	  		  			
	    a. $2,500,000.03
	  		  	$	 	  
	    b. Note Balance
	  		  	$	 	  
			
	 50 . Required Reserve Account Amount
	  		  	$	 	  









							
			
	 Reserve Account Reconciliation
	  	 	  	 	 
			
	 51 . Beginning Balance (as of end of preceding Distribution Date)
	  		  	$	 	  
	 52 . Investment Earnings
	  		  	$	 	  
	 53 . Reserve Account Draw Amount
	  		  	$	 	  
		  	  
	  	  
	  
	 
	 54 . Reserve Account Amount (Ln 51 + Ln 52 - Ln 53)
	  		  	$	 	  
	 55 . Deposit from Available Funds (Ln 44d)
	  		  	$	 	  
	 56 . If Reserve Account Balance exceeds Required Reserve Account Amount, payment to
	  		  	$	 	  
	    a. the Note Payment Account for the payment of principal to the extent of any unfunded
Regular
   Principal Distribution Amount; and
	  		  			
	    b. any Successor Servicer for the payment of any unfunded Transition Costs and Additional Servicing Fee
	  		  	$	 	  
	 57 . Payment to Certificateholder if Reserve Account Balance exceeds Required Reserve Account Amount
   and to the
extent no unfunded amounts described in Ln 56 exist
	  		  	$	 	  
	 58 . Ending Balance (Ln54 + Ln55 - Ln56 - Ln57)
	  		  	$	 	  
	 59 . Reserve Account Deficiency (Ln50 - Ln58)
	  		  	$	 	  
			
	 Instructions to the Trustee
	  	 	  	 	 
	 60 . Amount to be deposited from the Reserve Account into the Collection Account
	  		  	$	 	  
	 61 . Amount to be paid to Servicer from the Collection Account
	  		  	$	 	  
	 62 . Amount to be deposited from the Collection Account into the Note Payment Account
	  		  	$	 	  
	 63 . Amount to be deposited from the Collection Account into the Certificate Payment Account
	  		  	$	 	  
	 64 . Amount to be deposited from the Collection Account into the Reserve Account
	  		  	$	 	  
	 65 . Amount to be deposited from the Reserve Account, if Reserve Account Balance exceeds Required
   Reserve Account
Amount, into
	  		  			
	    a. the Note Payment Account for any unfunded Regular Principal Distributable Amount
	  		  	$	 	  
	    b. the Certificate Payment Account for payment to the Certificateholder,if no unfunded
Regular
   Principal distributable amount exists
	  		  	$	 	  
	 66 . Amount to be paid to Class A-1 Noteholders from the Note Payment Account
	  		  	$	 	  
	 67 . Amount to be paid to Class A-2a Noteholders from the Note Payment Account
	  		  	$	 	  
	 68 . Amount to be paid to Class A-2b Noteholders from the Note Payment Account
	  		  	$	 	  
	 69 . Amount to be paid to Class A-3 Noteholders from the Note Payment Account
	  		  	$	 	  
	 70 . Amount to be paid to Class A-4 Noteholders from the Note Payment Account
	  		  	$	 	  
	 71 . Amount to be paid to Class B Noteholders from the Note Payment Account
	  		  	$	 	  
	 72 . Amount to be paid to Class C Noteholders from the Note Payment Account
	  		  	$	 	  
	 73 . Amount to be paid to Class D Noteholders from the Note Payment Account
	  		  	$	 	  
	 74 . Amount to be paid to Certificateholders from the Certificate Payment Account with respect to
   Excess
Collections and Reserve Account surplus
	  		  	$	 	  
			
	 Net Loss and Delinquency Activity
	  	 	  	 	 
	 75 . Net Losses with respect to preceding Collection Period
	  		  	$	 	  
	 76 . Cumulative Net Losses
	  		  	$	 	  
	 77 . Cumulative Net Loss Percentage
	  		  			
			
	 78 . Delinquency Analysis
	  	Number of
 Loans
	  	 
  
	Principal
 Balance
	  
   

	    a. 31 to 60 days past due
	  		  	$	 	  
	    b. 61 to 90 days past due
	  		  	$	 	  
	    c. 91 or more days past due
	  		  	$	 	  
		  	  
	  	  
	  
	 
	    d. Total Past Due (sum a-c)
	  		  			
			
	 Servicer Covenant
	  	 	  	 	 
	 79 . CarMax, Inc Consolidated Tangible Net Worth as of the end of the Related Fiscal Quarter
	  		  	$	 	  
	 80 . Is CarMax, Inc Consolidated Tangible Net Worth greater than $1,000,000,000?
	  		  	 	Yes	  









					
	 IN WITNESS WHEREOF, the undersigned has duly executed this certificate on September 09, 2015.
	  	
	 CARMAX BUSINESS SERVICES, LLC
	  	
	 As Servicer
	  	
			
	 By:
	  	 	  	
			
	 Name:
	  	Andrew J. McMonigle	  	
			
	 Title:
	  	Treasurer	  	








 Exhibit B 

Form of Statement to Noteholders 

SEE EXHIBIT A 

  
 Ex. B 








 Exhibit C 

Form of Statement to Certificateholders 

SEE EXHIBIT A 

  
 Ex. C 








 Exhibit D 

SERVICING CRITERIA TO BE ADDRESSED IN ASSESSMENT OF COMPLIANCE 

The assessment of compliance to be delivered by the Indenture Trustee shall address, at a minimum, the criteria identified as below as
“Applicable Servicing Criteria”: 
  

							
	 Servicing Criteria
	  	 Applicable

Servicing

Criteria
	 
	 Reference
	  	 Criteria
	  	 	 
			
		  	General Servicing Considerations	  			
			
	 1122(d)(1)(i)
	  	Policies and procedures are instituted to monitor any performance or other triggers and events of default in accordance with the transaction agreements.	  			
			
	 1122(d)(1)(ii)
	  	If any material servicing activities are outsourced to third parties, policies and procedures are instituted to monitor the third party’s performance and compliance with such servicing activities.	  	 	X	  
			
	 1122(d)(1)(iii)
	  	Any requirements in the transaction agreements to maintain a back-up servicer for the receivables are maintained.	  			
			
	 1122(d)(1)(iv)
	  	A fidelity bond and errors and omissions policy is in effect on the party participating in the servicing function throughout the reporting period in the amount of coverage required by and otherwise in accordance with the terms of
the transaction agreements.	  			
			
		  	Cash Collection and Administration	  			
			
	 1122(d)(2)(i)
	  	Payments on receivables are deposited into the appropriate custodial bank accounts and related bank clearing accounts no more than two business days following receipt, or such other number of days specified in the transaction
agreements.	  			
			
	 1122(d)(2)(ii)
	  	Disbursements made via wire transfer on behalf of an obligor or to an investor are made only by authorized personnel.	  	 	X	  
			
	 1122(d)(2)(iii)
	  	Advances of funds or guarantees regarding collections, cash flows or distributions, and any interest or other fees charged for such advances, are made, reviewed and approved as specified in the transaction agreements.	  			


  
 Ex. D-1 









							
	 Servicing Criteria
	  	 Applicable

Servicing

Criteria
	 
	 Reference
	  	 Criteria
	  	 	 
			
	 1122(d)(2)(iv)
	  	The related accounts for the transaction, such as cash reserve accounts or accounts established as a form of overcollateralization, are separately maintained (e.g., with respect to commingling of cash) as set forth in the
transaction agreements.	  	 	X	  
			
	 1122(d)(2)(v)
	  	Each custodial account is maintained at a federally insured depository institution as set forth in the transaction agreements. For purposes of this criterion, “federally insured depository institution” with respect to a
foreign financial institution means a foreign financial institution that meets the requirements of Rule 13k-1(b)(1) of the Securities Exchange Act.	  	 	X	  
			
	 1122(d)(2)(vi)
	  	Unissued checks are safeguarded so as to prevent unauthorized access.	  			
			
	 1122(d)(2)(vii)
	  	Reconciliations are prepared on a monthly basis for all asset-backed securities related bank accounts, including custodial accounts and related bank clearing accounts. These reconciliations are (A) mathematically accurate; (B)
prepared within 30 calendar days after the bank statement cutoff date, or such other number of days specified in the transaction agreements; (C) reviewed and approved by someone other than the person who prepared the reconciliation; and (D) contain
explanations for reconciling items. These reconciling items are resolved within 90 calendar days of their original identification, or such other number of days specified in the transaction agreements.	  			
			
		  	Investor Remittances and Reporting	  			
			
	 1122(d)(3)(i)
	  	Reports to investors, including those to be filed with the Commission, are maintained in accordance with the transaction agreements and applicable Commission requirements. Specifically, such reports (A) are prepared in accordance
with timeframes and other terms set forth in the transaction agreements; (B) provide information calculated in accordance with the terms specified in the transaction agreements; (C) are filed with the Commission as required by its rules and
regulations; and (D) agree with investors’ or the trustee’s records as to the total unpaid principal balance and number of receivables serviced by the Servicer.	  			


  
 Ex. D-2 









							
	 Servicing Criteria
	  	 Applicable

Servicing

Criteria
	 
	 Reference
	  	 Criteria
	  	 	 
			
	 1122(d)(3)(ii)
	  	Amounts due to investors are allocated and remitted in accordance with timeframes, distribution priority and other terms set forth in the transaction agreements.	  	 	X	  
			
	 1122(d)(3)(iii)
	  	Disbursements made to an investor are posted within two business days to the Servicer’s investor records, or such other number of days specified in the transaction agreements.	  	 	X	  
			
	 1122(d)(3)(iv)
	  	Amounts remitted to investors per the investor reports agree with cancelled checks, or other form of payment, or custodial bank statements.	  	 	X	  
			
		  	Pool Asset Administration	  			
			
	 1122(d)(4)(i)
	  	Collateral or security on receivables is maintained as required by the transaction agreements or related receivable loan documents.	  			
			
	 1122(d)(4)(ii)
	  	Receivable loan and related documents are safeguarded as required by the transaction agreements.	  			
			
	 1122(d)(4)(iii)
	  	Any additions, removals or substitutions to the asset pool are made, reviewed and approved in accordance with any conditions or requirements in the transaction agreements.	  			
			
	 1122(d)(4)(iv)
	  	Payments on receivables, including any payoffs, made in accordance with the related receivable loan documents are posted to the Servicer’s obligor records maintained no more than two business days after receipt, or such
other number of days specified in the transaction agreements, and allocated to principal, interest or other items (e.g., escrow) in accordance with the related receivable loan documents.	  			
			
	 1122(d)(4)(v)
	  	The Servicer’s records regarding the receivables agree with the Servicer’s records with respect to an obligor’s unpaid principal balance.	  			
			
	 1122(d)(4)(vi)
	  	Changes with respect to the terms or status of an obligor’s receivables (e.g., loan modifications or re-agings) are made, reviewed and approved by authorized personnel in accordance with the transaction agreements and
related pool asset documents.	  			


  
 Ex. D-3 









					
	 Servicing Criteria
	  	 Applicable

Servicing

Criteria

	 Reference
	  	 Criteria
	  	 
			
	 1122(d)(4)(vii)
	  	Loss mitigation or recovery actions (e.g., forbearance plans, modifications and deeds in lieu of foreclosure, foreclosures and repossessions, as applicable) are initiated, conducted and concluded in accordance with the timeframes
or other requirements established by the transaction agreements.	  	
			
	 1122(d)(4)(viii)
	  	Records documenting collection efforts are maintained during the period a receivable is delinquent in accordance with the transaction agreements. Such records are maintained on at least a monthly basis, or such other period
specified in the transaction agreements, and describe the entity’s activities in monitoring delinquent receivables including, for example, phone calls, letters and payment rescheduling plans in cases where delinquency is deemed temporary (e.g.,
illness or unemployment).	  	
			
	 1122(d)(4)(ix)
	  	Adjustments to interest rates or rates of return for receivable loans with variable rates are computed based on the related receivable loan documents.	  	
			
	 1122(d)(4)(x)
	  	Regarding any funds held in trust for an obligor (such as escrow accounts): (A) such funds are analyzed, in accordance with the obligor’s receivable loan documents, on at least an annual basis, or such other period specified
in the transaction agreements; (B) interest on such funds is paid, or credited, to obligors in accordance with applicable receivable loan documents and state laws; and (C) such funds are returned to the obligor within 30 calendar days of full
repayment of the related receivable, or such other number of days specified in the transaction agreements.	  	
			
	 1122(d)(4)(xi)
	  	Payments made on behalf of an obligor (such as tax or insurance payments) are made on or before the related penalty or expiration dates, as indicated on the appropriate bills or notices for such payments, provided that such
support has been received by the servicer at least 30 calendar days prior to these dates, or such other number of days specified in the transaction agreements.	  	
			
	 1122(d)(4)(xii)
	  	Any late payment penalties in connection with any payment to be made on behalf of an obligor are paid from the servicer’s funds and not charged to the obligor, unless the late payment was due to the obligor’s error or
omission.	  	


  
 Ex. D-4 









					
	 Servicing Criteria
	  	 Applicable

Servicing

Criteria

	 Reference
	  	 Criteria
	  	 
			
	 1122(d)(4)(xiii)
	  	Disbursements made on behalf of an obligor are posted within two business days to the obligor’s records maintained by the servicer, or such other number of days specified in the transaction agreements.	  	
			
	 1122(d)(4)(xiv)
	  	Delinquencies, charge-offs and uncollectible accounts are recognized and recorded in accordance with the transaction agreements.	  	
			
	 1122(d)(4)(xv)
	  	Any external enhancement or other support, identified in Item 1114(a)(1) through (3) or Item 1115 of Regulation AB, is maintained as set forth in the transaction agreements.	  	


  
 Ex. D-5