Well, Ford has decided to add a new Parental Control to their cars by having a Smart Key with a chip that can limit how fast your teenage daughter/son drives, how loud the stereo is played, and other features that can help your child stay out of trouble.
I think this is a really good idea and it won’t cost the car manufacturer another dime since most of that is already controlled by a car-resident computer. The only money they will really have to spend is on the chips inside the key but that still should cost less than a quarter per chip as