Tempted to save money by DIYing a new key fob or smart key for your car? It could save you hundreds.

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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.

Today’s new cars pack in more high-tech electronic features than ever before, including in the key fob. The device has gone far beyond simply locking or unlocking doors, remotely starting a car, or ...

That tiny metal key hiding inside your fob could save you the next time your car's high-tech electronics stop working.

A "key" feature of today's car keys is not having to physically touch them to enter or start the car, thanks to developments like RFID proximity technology (which is short for radio frequency ...