The key fob is your lifeline to your car, letting you unlock the doors and set off the alarm, at a minimum, but how can you tell if it needs a new battery?

Thieves amplify a vehicle's radio signal to access and copy the key fob signal to steal a vehicle. Here's how to block the signal.

Holding a Key Fob to Head Boosts How Far Away You Can Remotely Lock/Open a Car? And it's reportedly 100% safe.

If you have a key fob and have ever been curious about the circle arrow button and its function, here's what it means.

If your car dealer tells you that you have to wait for a second key fob, ask if you can at least get a second key to open the car. That way you don’t waste your money ...