Document:

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                                                                    EXHIBIT 10H.

                   AMENDED AND RESTATED ENDORSEMENT AGREEMENT

         THIS AMENDED AND RESTATED ENDORSEMENT AGREEMENT (the "Agreement") is
made and entered into with an effective date of January 1, 1999 (the "Effective
Date"), by and between MIDWEST MEDICAL INSURANCE COMPANY, a Minnesota insurance
corporation ("MMIC"), and IOWA MEDICAL SOCIETY, an Iowa nonprofit corporation
("IMS").

RECITALS:

A.       MMIC and IMS are parties to that certain Endorsement Agreement dated as
         of July 1, 1993, as amended by the Endorsement Agreement Amendment
         dated as of December 21, 1995 (the "Original Endorsement Agreement"),
         pursuant to which IMS has agreed to endorse the MMIC Program (as
         defined below).

B.       The parties now wish to continue the endorsement by IMS of the MMIC
         Program subject to the modification of certain terms and conditions of
         such endorsement as set forth herein.

         NOW, THEREFORE, in consideration of the foregoing recitals, and for
other good and valuable consideration, the receipt and sufficiency of which are
hereby acknowledged, the parties hereto do hereby agree as follows:

         1. Effect on Original Endorsement Agreement. MMIC and IMS hereby
acknowledge and agree that from and after the Effective Date, the Original
Endorsement Agreement shall be amended and restated as set forth in this
Agreement and that the endorsement by IMS of the MMIC Program shall be
undertaken on the terms and subject to the conditions set forth herein.

         2. Certain Definitions. As used herein, the terms set forth below shall
have the following meanings:

            (a)      "MMIC Program" shall mean the offer and sale by MMIC of
                     professional liability insurance policies meeting the
                     requirements of this Agreement providing coverage for
                     physicians practicing in the State of Iowa.

            (b)      "Endorse" or "Endorsement" shall mean the endorsement,
                     recognition and support of the MMIC Program by IMS to its
                     member physicians.

            (c)      "Voting Trust Agreement" shall mean the Voting Trust
                     Agreement dated July 1, 1993 between IMS and Minnesota
                     Medical Association ("MMA") in which the voting trustees,
                     as the sole record holders of the issued and outstanding
                     Class B common stock of Midwest Medical Insurance Holding
                     Company

<PAGE>   2

                     ("MMIHC"), a Minnesota corporation, agree to vote the Class
                     B common stock for, and elect as directors of MMIHC from
                     time to time, those persons entitled to be proposed for
                     election by IMS.

            (d)      "IMS Licensed Marks" shall mean the following marks owned
                     by IMS: the name "Iowa Medical Society", the acronym "IMS"
                     and various symbols, devices, logos and designs embodying
                     the same.

            (e)      "MMIC Licensed Marks" shall mean the following marks owned
                     by MMIC: the names "Midwest Medical Insurance Company" and
                     "Midwest Medical Insurance", the acronym "MMIC" and various
                     symbols, devices, logos and designs embodying the same.

            (f)      "Merger Agreement" shall mean the Agreement and Plan of
                     Merger dated as of September 1, 1992 by and among MMIC,
                     MMIHC and Iowa Physicians Mutual Insurance Trust ("IPMIT"),
                     pursuant to which IPMIT was merged with and into MMIC.

         3. Endorsement. IMS will and does hereby endorse MMIC and the MMIC
Program to its member physicians (including all former policyholders of IPMIT),
and agrees to endorse and promote the MMIC Program exclusively. IMS will use its
reasonable efforts to support the MMIC Program through its membership materials
and at IMS sponsored membership meetings and, so long as not involving material
direct expense to IMS, agrees during the term of this Agreement to:

            (a)      Provide a well located site for an MMIC booth at the annual
                     meeting of the House of Delegates of IMS and exclude all
                     other professional liability insurance carriers from
                     exhibiting at such meeting.

            (b)      Refuse to accept any sponsorship from any other
                     professional liability insurance carrier of any IMS events,
                     such as lunches, receptions, etc., at the annual meeting of
                     the House of Delegates and at all other membership
                     meetings, seminars or conventions.

            (c)      At the request of MMIC, co-sponsor with MMIC at least one
                     risk management seminar each calendar year.

            (d)      Invite MMIC to participate in any and all joint
                     IMS/specialty society or component society meetings
                     concerning professional liability issues.

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            (e)      Invite MMIC to participate in any and all IMS meetings or
                     seminars dealing with professional liability issues or
                     legislative issues concerning professional liability.

            (f)      Invite MMIC to participate in any and all IMS/Association
                     of Iowa Hospitals and Health Systems joint meetings
                     involving professional liability legislation or issues.

            (g)      List MMIC as the exclusive, endorsed and recommended
                     provider of professional liability insurance coverage in
                     all resource directories and other lists of endorsed
                     providers of member services.

            (h)      Provide MMIC on a quarterly basis with a list of names and
                     addresses of physicians commencing practice in the State of
                     Iowa.

            (i)      Provide MMIC the opportunity to deliver reports at all IMS
                     Executive Committee meetings and meetings of the Board of
                     Trustees (which shall be replaced by a Board of Directors
                     effective upon the opening of the IMS 1999 House of
                     Delegates meeting).

            (j)      Promptly notify MMIC of any issues related to MMIC
                     relations with IMS members that may come to the attention
                     of IMS.

            (k)      Make available for purchase by MMIC full-page prime
                     location advertising opportunities in IMS
                     publications.

         4. License. IMS hereby grants MMIC an exclusive license to use the IMS
Licensed Marks and their associated goodwill, including the phrases "Endorsed by
the IMS" and "Exclusively Endorsed and Recommended by the Iowa Medical Society",
for the specific purpose of promoting, marketing, selling, advertising and
distributing products under the MMIC Program (including display of the IMS
Licensed Marks upon various printed and media materials used in connection
therewith), all subject to the terms of this Agreement. IMS acknowledges and
agrees that it may not grant to others a license or sublicense to use the IMS
Licensed Marks in connection with the offer, sale or promotion of professional
liability insurance coverages. MMIC acknowledges and agrees that it may not
grant others a license or sublicense to use the IMS Licensed Marks for any
purpose, except that materials prepared by MMIC for the permitted license
purposes may be distributed by MMIC's agents and contractors.

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         MMIC hereby grants IMS an exclusive license to use the MMIC Licensed
Marks and their associated goodwill, including the phrase "Exclusively Endorsing
MMIC Professional Liability Insurance", in Iowa for the specific purpose of
performing its duties under this Agreement in connection with its membership
services and upon various printed and media materials used in connection
therewith, subject to the terms of this Agreement. IMS acknowledges and agrees
that it may not grant others a license or sublicense to use the MMIC Licensed
Marks, except that materials prepared by IMS for permitted license purposes may
be distributed by IMS' agents and contractors.

         If this Agreement expires at the end of the Initial Term or any Renewal
Term (as defined in Section 10 hereof), without being terminated for cause or
any other reason permitted by this Agreement, MMIC and IMS, as licensees,
provided they are and remain in full compliance with the other terms and
provisions of this Agreement, may continue to use the respective licensed marks
in the ordinary course of business for a period of six (6) months after such
expiration date on a non-exclusive basis on materials on hand at the date of
such expiration. Upon termination of such six (6) month period, or immediately
if this Agreement is terminated for cause in accordance with Section 11 hereof,
the parties will destroy and/or delete the licensed marks from their respective
materials and cease all further use of the licensed marks.

         5. Lawful Use. MMIC and IMS, each as licensee, represent and warrant to
the other that:

            (a)      All uses of the licensed marks will be lawful.

            (b)      Each licensee will use diligent efforts to provide the
                     other, as licensor, with copies or samples of each proposed
                     use of such licensed marks, in advance of use, for
                     reasonable comment.

            (c)      Each licensee will, as appropriate, indicate in all public
                     uses that the licensed marks are registered with the United
                     States Patent and Trademark Office.

            (d)      Each licensee agrees not to register, or attempt to
                     register, the licensed marks of the other.

         6. Solicitation and Sales Activity. All solicitation, offers, sales,
marketing, servicing and other activity related to the MMIC Program shall be the
sole responsibility of MMIC or such agents and brokers as MMIC may in its
discretion appoint from time to time, and the parties hereto acknowledge and
agree that IMS shall have no authority or obligation to undertake any such
activities in connection with its Endorsement of the MMIC Program. MMIC shall be
solely responsible for compensating agents and

                                      -4-
<PAGE>   5

brokers selected by MMIC to market the MMIC Program to physicians practicing in
the State of Iowa. All solicitation and promotional materials used by MMIC to
market the MMIC Program in the State of Iowa shall designate MMIC (or its
appointed agents) as the person to contact for further information concerning
the MMIC Program.

         7. Royalty Payments. In consideration for the grant to MMIC of a
license to use the IMS Licensed Marks and for the IMS endorsement of the MMIC
Program, MMIC agrees to pay IMS an annual royalty comprised of the following
payments:

            (a)      Fixed Royalty. MMIC shall make an annual payment of $97,000
                     to IMS during each year for which this Agreement remains in
                     effect, with such payment to be made no later than the 28th
                     day of February, commencing with the year 1999.

            (b)      Variable Royalty. MMIC shall pay IMS a variable royalty
                     based on the gross written premium collected by MMIC with
                     respect to all physician business written in the State of
                     Iowa during each year for which this Agreement remains in
                     effect, with such royalty to be calculated as follows:

                             (i) 1.75% (.0175) of the first $15,000,000 of gross
                             written premium on all physician business written
                             in the State of Iowa; plus (ii) 1.25% (.0125) of
                             gross written premium on all physician business
                             written in the State of Iowa in excess of
                             $15,000,000; provided, however, (iii) that in no
                             event shall the variable royalty be less than the
                             sum of $200,000 on an annual basis.

                     By way of illustration, if MMIC collected gross written
                     premium of $18,000,000 for the year, the variable royalty
                     would be $300,000 (.0175 x  $15,000,000 + .0125 x
                     $3,000,000 = $300,000), or if such gross written premium
                     collected during the year were $10,000,000, the variable
                     royalty would be established at the minimum figure of
                     $200,000, as the formula would result in an amount of
                     $175,000 (.0175 x $10,000,000 = $175,000).

                     The variable royalty shall be paid to IMS in monthly
                     installments due no later than the 15th day of each month
                     based on the gross written premium collected by MMIC for
                     the previous month. Each payment shall be accompanied by a
                     report presenting in reasonable detail the amount of gross
                     written premium collected by MMIC during the previous month

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                     (including, whenever possible, the names of the physicians
                     covered by policies with respect to which such premiums
                     were paid) and illustrating the calculation of the payment
                     made to IMS.

                     The term "gross written premium" shall be defined to mean
                     the total amount of premiums written and collected by MMIC
                     on all new and renewal policies of professional liability
                     insurance during a particular calendar year covering
                     physicians practicing in the State of Iowa, regardless of
                     whether the policy is issued in the name of an individual
                     physician, to a clinic or other practice group through
                     which a physician practices or to a hospital, health system
                     or other entity by which a physician is employed or through
                     which a physician engages in the practice of medicine.

The parties acknowledge and agree that IMS shall not be required to pay any
royalty or other fee for its use of the MMIC Licensed Marks in accordance with
the terms of this Agreement.

         8. Certain Agreements of MMIC. On and after the Effective Date, MMIC
agrees to the following arrangements:

            (a)      MMIC will carry out each of the agreements made by it in
                     Article 7 of the Merger Agreement, each of which is hereby
                     made a condition of the Endorsement and its continuation.
                     MMIC confirms that the agreement set forth at Section 7.5
                     of the Merger Agreement is, in fact, an obligation of MMIC.

            (b)      In addition to the provisions of Section 7.9 of the Merger
                     Agreement, MMIC will consult with IMS on additions to or
                     deletions from the current defense counsel list for Iowa
                     physicians, although MMIC retains all decisions with
                     respect thereto in its unfettered discretion.

            (c)      MMIC will faithfully carry out the lessee's obligations
                     under the office building lease (the "Office Lease")
                     assumed from IPMIT in connection with the Merger Agreement,
                     the lessor under such lease being IMS.

            (d)      MMIC acknowledges that the provisions of Article III of the
                     Bylaws of MMIC and the Bylaws of MMIHC, dealing with Board
                     and committee participation by IMS members and their
                     representatives, may not be modified by the directors
                     because of the provisions of Article XI thereof.

                                      -6-
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            (e)      MMIC agrees to sponsor appropriate activities at meetings
                     and events of IMS, all at the expense of MMIC, which are
                     expected to be at or above the level provided at meetings
                     and events of the MMA.

            (f)      MMIC agrees to provide information and meet with officers
                     of IMS with respect to various aspects of the MMIC Program,
                     including its financial results, the Endorsement,
                     marketing, coverage issues, litigation defense,
                     competitiveness of premiums, MMIHC board compensation
                     issues, grievances or complaints by either party or other
                     appropriate topics, to the same extent and in the same
                     manner as it provides similar information and meets with
                     officers of the MMA with respect to the Minnesota program,
                     and to do so on a continuing basis.

            (g)      MMIC shall provide to IMS upon its request the names of IMS
                     members who are insured under the MMIC Program and such
                     other information as is provided to the MMA and may
                     reasonably be requested by IMS.

            (h)      MMIC agrees to purchase prime advertising space in the IMS
                     Journal each year during the term of this Agreement at an
                     agreed price of $3,000 to be paid no later than February 28
                     of each year.

            (i)      MMIC agrees to permit representatives of IMS to have access
                     to MMIC's books and records during normal business hours
                     upon reasonable prior notice to verify the information
                     relating to the calculation of the variable royalty payment
                     pursuant to Section 7(b) of this Agreement.

         9. Certain Agreements of IMS. On and after the Effective Date, IMS
agrees that it will faithfully carry out its obligations under the Office Lease.

         10. Term of Agreement. Unless earlier terminated in accordance with the
provisions of Section 11 hereof, this Agreement shall continue in effect until
December 31, 2003 (the "Initial Term"), and shall thereafter automatically renew
for successive terms of one year each (a "Renewal Term") unless either party
shall notify the other party in writing at least ninety (90) days prior to the
end of the Initial Term or any Renewal Term of its election to terminate this
Agreement as of the end of the Initial Term or a Renewal Term, as the case may
be; provided, however, that the parties agree to explore in good faith the
extension of this Agreement during the ninety (90) days preceding the last
ninety (90) days of the Initial Term or any Renewal Term prior to giving any
such notice of termination.

                                      -7-
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         11. Termination for Cause. This Agreement may be terminated sooner than
stated in Section 10 hereof upon thirty (30) days written notice:

             (a)      by either party in the event that:

                      (i)      the other party breaches or otherwise fails to
                               perform its obligations under this Agreement or
                               the Merger Agreement in any material respect; or

                      (ii)     the other party abandons this Agreement, commits
                               any fraudulent act in connection with this
                               Agreement, is the subject of any insolvency
                               proceeding or commits any act of gross or willful
                               misconduct;

             (b)      by IMS in the event of the suspension, cancellation or
                      non-renewal of the certificate of authority of MMIC to
                      write professional liability insurance in either the State
                      of Minnesota or the State of Iowa;

             (c)      by IMS in the event it reasonably determines that the
                      professional liability coverages, premium charges or other
                      material aspects of the MMIC Program (including, without
                      limitation, the failure of the financial condition of
                      MMIC: (i) to meet standards for licensure in Iowa; (ii) to
                      permit an opinion of MMIC's independent auditor to be
                      issued without material qualification; or (iii) to achieve
                      the rating of A.M. Best of "B+" or higher) cease to be
                      competitive with other professional liability insurance
                      which is otherwise available to IMS member physicians in
                      the State of Iowa;

             (d)      by IMS in the event of the termination of the Voting
                      Trust, or the material breach of the Voting Trust by MMA
                      or the voting trustees named thereunder;

             (e)      by IMS in the event of the breach of the Office Lease by
                      MMIC;

             (f)      by MMIC in the event of the breach of the Office Lease by
                      IMS;

             (g)      by either party in the event of: (i) any affirmative act
                      of insolvency by the other party, or upon the appointment
                      of any receiver or trustee to take possession of the
                      property and/or business of such other party; (ii) upon
                      the wind-up, sale or

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<PAGE>   9

                      sequestration of any party by any governmental authority;
                      (iii) upon the redemption of the Class B common stock in
                      MMIHC now owned by MMA; and (iv) upon any other material
                      change in the ownership or control of MMIHC or MMIC which
                      is determined by the board of directors of MMIC to be
                      inconsistent with the continued endorsement of its
                      products by IMS;

provided, however, if the acts or circumstances which entitle a party to
terminate this Agreement can be cured by the defaulting party within
seventy-five (75) days of the date of written notice, the defaulting party
provides prompt written notice of its election to cure such default and
thereafter proceeds to diligently and in good faith to cure such default, this
Agreement shall not be terminated if such a default is cured within such
seventy-five (75) day period.

         12. No Assignments. The undertakings of the parties under this
Agreement are personal to such parties, and neither party may assign its rights,
duties or obligations under this Agreement without the written consent of the
other party, which consent shall not unreasonably be withheld. This Agreement
shall be binding upon and inure to the benefit of the successors and permitted
assigns of the parties hereto.

         13. No Joint Venture or Agency. Nothing contained in this Agreement
shall be construed to constitute the arrangement between the parties as a joint
venture, partnership, agency relationship or other arrangement under which
either party shall be liable to third parties for any act or omission of the
other, and neither party shall have the power to bind or obligate the other.

         14. Governing Law. This Agreement and its interpretation, validity and
performance shall be governed by the laws of the State of Iowa, without regard
to principles of conflicts of law.

         15. Mutual Indemnification. Each party agrees to indemnify, defend and
hold harmless the other from and against all claims, suits and liabilities for
which the indemnified party is sought to be held liable, which arise out of acts
or omissions which the indemnified party did not participate in. The indemnity
obligations herein provided for shall survive termination of this Agreement.

         16. Notices. Any notices, demands, consents or other communications
hereunder shall be in writing and, unless otherwise specifically provided, shall
be deemed effective when delivered personally or sent by facsimile transmittal
with first class mail with postage prepaid to follow or certified mail with
first class postage prepaid, addressed as follows:

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<PAGE>   10

             (a)      If addressed to IMS:

                      Iowa Medical Society
                      1001 Grand Avenue
                      West Des Moines, IA 50265-3599
                      Fax: 515-283-8420

             (b)      If addressed to MMIC:

                      Midwest Medical Insurance Company
                      6600 France Avenue, Suite 245
                      Minneapolis, MN 55435
                      Fax: 612-922-7323

or to either party at such other address as such party may specify to the other
party in a notice in compliance with this paragraph.

         17. Arbitration. Any dispute, claim or controversy of any kind between
the parties arising out of this Agreement or involving the interpretation or
application of any provisions of this Agreement shall be submitted to
arbitration in Des Moines, Iowa, in accordance with commercial arbitration rules
of the American Arbitration Association and by either party appropriately
commencing the arbitration process under such rules. The parties shall attempt
in good faith to agree on a single arbitrator within thirty (30) days of
commencement of the arbitration process; but if the parties are unable to agree
upon a single arbitrator, either party may request the appointment of an
arbitrator by the American Arbitration Association, the appointment of which
shall bind both parties. Arbitration decisions shall be final and binding on
both parties unless the arbitration is fraudulent or so grossly erroneous as to
necessarily imply bad faith. General costs of arbitration (arbitrator's fees,
location costs, etc.) are to be shared by both parties equally, provided that
the arbitrator may choose to award general costs of arbitration against the
losing party if the arbitrator determines that the final position urged by the
losing party was not reasonable.

         Each party shall be required to submit its proposed resolution of each
issue of such dispute, claim or controversy to the arbitrator and such
arbitrator shall be required to render a decision adopting in full one or the
other of such proposed resolutions on a per issue basis, and no compromises or
alternative resolutions shall be allowed or considered by the arbitrator without
the mutual consent of the parties.

         18. Invalidity. In case one or more of the provisions hereof are
determined to be invalid, illegal or unenforceable in any respect, the validity
of the remaining provisions will in no way be affected, prejudiced or disturbed
thereby.

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         IN WITNESS WHEREOF, the parties have executed this Agreement as of the
date first hereinabove set forth.

                                            IOWA MEDICAL SOCIETY

                                            By:/s/ Sterling Laaveg, M.D.
                                               --------------------------------
                                            Name:Sterling Laaveg, M.D.
                                            Its: Chairman of the Board

                                            By:/s/ Michael D. Abrams
                                               --------------------------------
                                            Name:Michael D. Abrams
                                            Its: Executive Vice President

                                            MIDWEST MEDICAL INSURANCE COMPANY

                                            By:/s/ Andrew J. K. Smith, M.D.
                                               --------------------------------
                                            Name:Andrew J. K. Smith, M.D.
                                            Its: Chairman of the Board

                                            By:/s/ David P. Bounk
                                               --------------------------------
                                            Name: David P. Bounk
                                            Its:  Chief Executive Officer

                                      -11-<PAGE>   1
                                                                EXHIBIT 10.7 (f)

                                                                  EXECUTION COPY

                                 AMENDMENT NO. 6

                           Dated as of August 10, 1999

                                       to

                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT

                           Dated as of August 5, 1997

                  THIS AMENDMENT NO. 6 ("Amendment") is made as of August 10,
1999 by and among Advanced Accessory Systems, LLC (formerly known as AAS
Holdings, LLC), SportRack, LLC (formerly known as Advanced Accessory Systems,
LLC), Valley Industries, LLC, Brink International BV and Brink BV (the
"Borrowers"), the financial institutions listed on the signature pages hereof
(the "Lenders") and Bank One, Michigan (formerly known as NBD Bank), as
Administrative Agent and Documentation and Collateral Agent, and The Chase
Manhattan Bank, as Co-Administrative Agent and Syndication Agent (the "Agents"),
under that certain Second Amended and Restated Credit Agreement dated as of
August 5, 1997 by and among the Borrowers, the Lenders and the Agents (as
heretofore amended, the "Credit Agreement"). Defined terms used herein and not
otherwise defined herein shall have the respective meanings given to them in the
Credit Agreement.

                  WHEREAS, the Borrowers, the Lenders and the Agents have agreed
to amend the Credit Agreement on the terms and conditions set forth herein;

                  NOW, THEREFORE, in consideration of the premises set forth
above, the terms and conditions contained herein, and other good and valuable
consideration, the receipt and sufficiency of which are hereby acknowledged, the
Borrowers, the Lenders and the Agents have agreed to the following amendments to
the Credit Agreement.

                  1. Amendments to Credit Agreement. Effective as of August 10,
1999 and subject to the satisfaction of the conditions precedent set forth in
Section 2 below, the Credit Agreement is hereby amended as follows:

                  1.1. Section 6.3(A) of the Credit Agreement is hereby amended
by deleting the reference to "$4,000,000" now contained in subsection (i)
thereof and substituting therefor the following: "$6,000,000", and by adding the
following as new subsections (n) and (o) immediately following subsection (m)
thereof:

                  "(n) Indebtedness incurred by Brink International BV or Brink
                  BV or any of their affiliates in an amount not to exceed
                  5,000,000 Dutch Guilders or the Equivalent Amount in other
                  Agreed Currencies thereof on terms acceptable to the
                  Administrative Agent.

<PAGE>   2

                  (o) Indebtedness incurred by SportRack International Inc. in
                  an amount not to exceed 1,000,000 Canadian Dollars or the
                  Equivalent Amount in other Agreed Currencies on terms
                  acceptable to the Administrative Agent."

                  1.2 Section 6.3(B) of the Credit Agreement is hereby amended
by adding a new subsection (vi) immediately following subsection (v) thereof:

                           "(vi)    forgiveness of Indebtedness due to Holdings
                                    or any of its Subsidiaries evidenced by
                                    notes payable from any employee in
                                    connection with the termination (voluntarily
                                    or involuntarily) of such Person's
                                    employment with Holdings or any of its
                                    Subsidiaries."

                  1.3 Section 6.3(C) of the Credit Agreement is hereby amended
by adding a new subsection (vii) immediately following subsection (vi) thereof:

                                    "(vii) Liens to secure Indebtedness
                                    permitted pursuant to Section 6.3(A)(n) and
                                    Section 6.3(A)(o)."

                  1.4 Section 6.3(F)(iv) of the Credit Agreement is hereby
amended by deleting the reference to "$300,000" now contained therein and
substituting therefor the following: "$5,000,000."

                  1.5 Section 6.3(H) of the Credit Agreement is hereby amended
by adding the following immediately at the end thereof:

                                    "except for arrangements made in connection
                                    with the termination (voluntarily or
                                    involuntarily) of such Person's employment
                                    with Holdings or any of the Subsidiaries."
                  2. Conditions of Effectiveness. The effectiveness of this
Amendment is subject to the conditions precedent that the Administrative Agent
shall have received counterparts of this Amendment duly executed by the
Borrowers, the Required Lenders and the Agents. Upon the satisfaction of the
foregoing conditions precedent, this Amendment shall become effective with
respect to the amendments set forth in Section 1 above.

                  3. Representations and Warranties of the Borrowers. Each
Borrower hereby represents and warrants as follows:

                  (a) This Amendment and the Credit Agreement as amended hereby
constitute legal, valid and binding obligations of the Borrowers and are
enforceable against the Borrowers in accordance with their terms.

                  (b) As of August 10, 1999, (i) there exists no Default or
Unmatured Default under the Credit Agreement, as amended hereby, and (ii) the
representations and warranties contained in Article V of the Credit Agreement,
as amended hereby, are true and correct in all material respects, except for
representations and warranties made with reference to a specific date which
representations and warranties are true and correct in all material respects as
of such date.

                                       2

<PAGE>   3

                  4. Reference to and Effect on the Credit Agreement and
Security Agreements.

                  (a) Upon the effectiveness of Section 1 hereof, each reference
in any Loan Document to such Loan Document or any other Loan Document shall mean
and be a reference to the applicable Loan Document as amended hereby.

                  (b) Except as specifically amended above, the Credit Agreement
and all other documents, instruments and agreements executed and/or delivered in
connection therewith shall remain in full force and effect and are hereby
ratified and confirmed.

                  (c) The execution, delivery and effectiveness of this
Amendment shall not, except as expressly provided herein, operate as a waiver of
any right, power or remedy of the Agents or the Lenders, nor constitute a waiver
of any provision of the Credit Agreement or any other documents, instruments and
agreements executed and/or delivered in connection therewith.

                  5. Governing Law. This Amendment shall be governed by and
construed in accordance with the laws of the State of New York.

                  6. Headings. Section headings in this Amendment are included
herein for convenience of reference only and shall not constitute a part of this
Amendment for any other purpose.

                  7. Counterparts. This Amendment may be executed by one or more
of the parties hereto on any number of separate counterparts, and all of said
counterparts taken together shall be deemed to constitute one and the same
instrument.

                  IN WITNESS WHEREOF, this Amendment has been duly executed as
of the day and year first above written.

                                ADVANCED ACCESSORY SYSTEMS, LLC
                                  as a Borrower

                                By:   /s/ Terence C. Seikel
                                   ------------------------
                                Name:
                                Title:

                                SPORTRACK, LLC
                                as a Borrower
                                By:  ADVANCED ACCESSORY SYSTEMS, LLC
                                       Its Manager

                                By:     /s/ Terence C. Seikel
                                   --------------------------
                                Name:
                                Title:

                                VALLEY INDUSTRIES, LLC
                                  as a Borrower
                                By: ADVANCED ACCESSORY SYSTEMS, LLC
                                      Its Manager

                                       3

<PAGE>   4

                                By:     /s/ Terence C. Seikel
                                   --------------------------
                                Name:
                                Title:

                                BRINK INTERNATIONAL BV
                                  as a Borrower

                                By:     /s/ Terence C. Seikel
                                   --------------------------
                                Name:
                                Title:

                                BRINK BV
                                  as a Borrower

                                By:     /s/ Terence C. Seikel
                                   --------------------------
                                Name:
                                Title:

                                BANK ONE, MICHIGAN
                                  as the Administrative Agent and the
                                  Documentation and Collateral Agent, and as a
                                  Lender

                                By:    /s/ Willam Canney
                                   --------------------------
                                Name:
                                Title: Vice President

                                THE CHASE MANHATTAN BANK
                                  as the Co-Administrative Agent and the
                                  Syndication Agent, and as a Lender

                                By:   /s/ Karen M. Sharf
                                   --------------------------
                                Name:
                                Title: Vice President

                                FIRST UNION NATIONAL BANK
                                  as a Lender

                                By:   /s/ Kent Davis
                                   --------------------------
                                Name:
                                Title: Vice President

                                THE BANK OF NOVA SCOTIA
                                   as a Lender

                                By:   /s/ F.C.H. Ashby
                                   --------------------------
                                Name:
                                Title: Senior Manager Loan Operations

                                COOPERATIEVE CENTRALE
                                RAIFFEISEN-BOERENLEENBANK

                                       4

<PAGE>   5

                                   B.A., "RABOBANK NEDERLAND",
                                   NEW YORK BRANCH
                                   as a Lender

                              By:
                                 ----------------------------------
                              Name:
                              Title:

                              By:
                              Name:
                              Title:

                              LASALLE NATIONAL BANK
                                  as a Lender

                              By:   /s/ Thomas J. Ranville
                                 ----------------------------------
                              Name:
                              Title: 1st Vice President

                              MICHIGAN NATIONAL BANK
                                  as a Lender

                              By:   /s/ John M. Bebb
                                 ----------------------------------
                              Name:
                              Title: Relationship Manager

                              NATIONAL CITY BANK (CLEVELAND)
                                  as a Lender

                              By    /s/ Joshua R. Sosland
                                 ----------------------------------
                              Name:
                              Title: Account Officer

                                       5

<PAGE>   6

                              COMERICA BANK
                                 as a Lender

                              By:   /s/ Nicholas G. Mester
                                 -------------------------------------
                              Name:
                              Title: Account Officer

                              VAN KAMPEN PRIME RATE INCOME TRUST
                                 as a Lender

                              By:   /s/ Lisa M. Mincheski
                                 -------------------------------------
                              Name:
                              Title: Vice President

                              SENIOR DEBT PORTFOLIO
                              By: Boston Management and Research as
                                 Investment Advisor

                              By:   /s/ Scott H. Page
                                 -------------------------------------
                              Name:
                              Title: Vice President

                              MERRILL LYNCH DEBT STRATEGIES PORTFOLIO
                              By: Merrill Lynch Asset Management, L.P.,
                                  as Investment Advisor

                              By:
                                 -------------------------------------
                              Name:
                              Title:

                              MERRILL LYNCH PRIME RATE PORTFOLIO
                              By: Merrill Lynch Asset Management, L.P.,
                                 as Investment Advisor

                              By:
                                 -------------------------------------
                              Name:
                              Title:

                                       6

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