FAIRFAX, Va. — Police always advise drivers to lock up their cars as a way to prevent thieves from getting inside, but what if those thieves create their own key? With the use of a key programming ...

Key fobs are a generally pretty mundane and overlooked piece of automotive paraphernalia. A few decades ago, drivers didn't have a way to remotely unlock their cars, and now it's taken for granted.

Remote operation of door locks is all but universal today. Click a button on the key fob, or on the key itself, and doors open or lock. Battery powered, these miniature radio-wave transmitters have ...