If you buy a new key when your old key gets faulty, you'll also need to program your ignition key. This is where a key fob programmer comes into play.

Electronic keys introduce new components that can be expensive, even without paying a dealer to program them. If you can do the job yourself, you can save both time and money by not having to visit ...

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.

Ford traced the problem to a computer program in the instrument cluster. Keys can be removed 30 minutes after the ignition switch is turned off if the cars are left in gear.