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.

Others allow only dealers to han-dle reprogramming. Depending on the brand of car, the cost to reprogram a key could range from a couple of hundred dollars to over a thousand dollars.

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 ...

How do you open a car key fob? For most cars replacing a car key battery is easy, you just need to pop open the car key fob, take out the old battery and slip in a new one.

The key fob trick only seems to work on certain cars, for instance, we couldn't get it to work on a Fiat 500, but it did work with a VW Polo.