Carolyn lives just around the corner from 'our fair city' and is married to a former automotive safety engineer who apparently can't let go of his old job. He wants Carolyn to wear a bike helmet while driving -just for a little extra safety. Is this a case of inspired innovation, Social suicide?(Yep) or both? Check it out -along with the return of the puzzler- on this episode of the Best of Car Talk!

Lisa from Washington, DC was told by her mechanic that she doesn't drive her VW Golf often enough and that this will lead to all sorts of mechanical malfunction in the car's future. Tom and Ray try to explain why cars that only travel a few miles per day are prone to certain failures. Lisa thinks that an 'Italian Tune-up' should cure it. Find out why on this episode of the Best of Car Talk!

Most of us have had that family member who went off the deep end with some cockamamie diet or exercise or other 'miracle cure' for something. But the health and wellness industry has nothing on the world of automotive miracle cures. Stu from Maryland may be inadvertently on to something thanks to a recent maintenance mix-up on his Nissan. Find out what on this episode of The Best of Car Talk!

Reggie from South Carolina noticed an odor coming from her car's air conditioning that smelled suspiciously like the stink of the kids in her car pool. Will the dealer's remedy for the problem work or will the ac and the kids continue to duke it out for 'stink supremacy' until one of them wins, Reggie perishes or both? Find out on this episode of The Best of Car Talk!