Batteries fade and die over time, but but changing the cell in your Chevrolet key fob doesn't have to be difficult.

On modern Chevrolet key fobs, the key itself is used as a tool to help you swap out the old battery for a new one.

For added convenience, a mobile locksmith can replace many fobs, programming and cutting the keys right in your driveway. And did you know your fob is hiding a secret?