It might not occur to you that your car's key fob has more uses than simply opening and locking your car doors. After all, that was the original purpose behind the invention of keyless entry: so that ...

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.

You find more in your key fob than a lock and unlock button. Many modern fobs hide useful tricks—like rolling down all windows remotely, popping the trunk hands-free, or triggering an emergency ...