If you've searched online about buying a car, you know you're in for a wave of aggressive come-ons and sales pitches. But I found a way to make car sellers clam up: All you have to do is start asking questions about the increasingly intrusive "nanny" nature of automobiles.
"This is more of an industry question," a Ford representative told me. "You may wish to follow up with the Alliance for Automotive Innovation on this topic."
