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.

When the battery is removed from the key fob, the fob can lose its ‘memory’ or programming. If the key fob is not working after replacing its battery, a reprogramming procedure may be required.

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 ...

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.

Just know that most customer-programmable key fobs will require two current working keys in order to program the new one. RELATED: How to replace your key fob | Your key fob may have hidden features ...

Key fobs are handy for keyless entry to your car, but carrying around multiple key fobs makes for a seriously bulky keychain. With that in mind, tech blog Filear details how to program your ...