If you desperately need a lift into town, what's the most outlandish thing you would do to make it happen? If a customer wants to test drive a car without the salesman, perhaps that should raise a red flag. How much sweat equity are people willing to put into their shopping for a new car? What are the craziest things people do while driving? Some countries have outlandish traffic laws... in some places, a filthy car costs you a pretty penny.