In this primer on how to replace a car key fob, Consumer Reports says getting another high-tech key fob can be a pricey proposition.

If you're looking to pick up a new key fob, or repair one, you might wonder how long programming it takes and whether or not you can do it yourself.

The system is pretty straightforward. Program one of the key fobs as the teen's key. Then whenever the teen is driving, the Malibu will collect more data than the NSA. When the teen returns, the ...