How To A Program GM Key Fob A key fob, also called a keyless entry remote or keyless transmitter, controls your vehicle’s locks, trunk and alarm from a distance. Every key fob must be programmed to ...

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.

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.

And that’s just for the fob. Add another $50 to $100 to get replacement fobs programmed to work with your car and to have a new mechanical backup key made.