find problems that could cause a collision or breakdown
So you don't have vehicle or engine failure that causes a serious collision with injury or death.
They need to provide an itemized list of charges. Try rebutting the charges and see if that works. We went to small claims court and won. There are several sites online that tell you how to do this...
air or, more likely, oil are checked before a trip. Gas, too.
it is stage before purchase made.