It shall be an affirmative defense to any claim under the Motor Vehicle Quality Assurance Act that:

A. an alleged nonconformity does not substantially impair the use and market value of the motor vehicle;

B. a nonconformity is the result of abuse, neglect or unauthorized modifications or alterations of the motor vehicle;

C. a claim by a consumer was not filed in good faith; or

D. any other affirmative defense allowed by law.