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.

New key fobs must be programmed with codes that the vehicle has to read before it unlocks the door or allows starting the engine.

The great news for car owners is that electronic key fobs make your vehicle much more difficult to steal than in generations past. On the other hand, they also introduce new components that can be ...

But maybe you’ve experienced the downside: The cost to replace the latest key fobs can be as much as $400 depending on the brand. Then add another $20 to $130 to program it to work with your car.