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 ...

It's available in many models made by Chevrolet, GMC, Cadillac, and Buick. Here's how to use it, how to extend the engine's run time, and a few points to keep in mind.