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Exhibit 31.2

CERTIFICATION

I, Stanton C. Heintz, certify that:

1.      I have reviewed this quarterly
report on Form 10-Q of Carbiz Inc.;

2.      Based on my knowledge, this
report does not contain any untrue statement of a material fact or omit to state
a material fact necessary to make the statements made, in light of the
circumstances under which such statements were made, not misleading with respect
to the periods covered by this report;

3.      Based on my knowledge, the
financial statements, and other financial information included in this report,
fairly present in all material respects the financial condition, results of
operations and cash flows of the registrant as of, and for, the periods
presented in this report;

4.      The registrant's other
certifying officer and I are responsible for establishing and maintaining
disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e)
and 15d-15(e)) and internal control over financial reporting (as defined in
Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

| | (a) | Designed such disclosure controls and procedures, or
      caused such disclosure controls and procedures to be designed under our
      supervision, to ensure that material information relating to the
      registrant, including its consolidated subsidiaries, is made known to us
      by others within those entities, particularly during the period in which
      this report is being prepared;         
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| | (b) | Designed such internal control over financial reporting,
      or caused such internal control over financial reporting to be designed
      under our supervision, to provide reasonable assurance regarding the
      reliability of financial reporting and the preparation of financial
      statements for external purposes in accordance with generally accepted
      accounting principles;                
| |     |                                                                                                                                                                                                                                                                                                                                                                                                                      
| | (c) | Evaluated the effectiveness of the registrant's
      disclosure controls and procedures and presented in this report our
      conclusions about the effectiveness of the disclosure controls and
      procedures, as of the end of the periods covered by this report based on
      such evaluation; and                                                                                                         
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| | (d) | Disclosed in this report any change in the registrant's
      internal control over financial reporting that occurred during the
      registrant's most recent fiscal quarter (the registrant's fourth fiscal
      quarter in the case of an annual report) that has materially affected, or
      is reasonably likely to materially affect, the registrant's internal
      control over financial reporting; and

5.      The registrant's other
certifying officer and I have disclosed, based on our most recent evaluation of
internal control over financial reporting, to the registrant's auditors and the
audit committee of the registrant's board of directors (or persons performing
the equivalent functions):

| | (a) | All significant deficiencies and material weaknesses in
      the design or operation of internal control over financial reporting which
      are reasonably likely to adversely affect the registrant's ability to
      record, process, summarize and report financial information; and
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| |     |                                                                                                                                                                                                                                                                                            
| | (b) | Any fraud, whether or not material, that involves
      management or other employees who have a significant role in the
      registrant's internal control over financial
reporting.                                                                                                     

|Date: September 10, 2009 | /s/ Stanton C. Heintz                       
|------------------------ | --------------------------------------------
|                         | Stanton C. Heintz                           
|                         | Chief Financial Officer                     
|                         | (principal financial and accounting officer)

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