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?

Depending on the age of your auto, you'll need to take it to the dealer or look online for aftermarket fobs.

Key fobs are pretty standard ways to lock and unlock your car, but some key fobs do a whole lot more than just manipulating doors and starting your car.

Thousands of Toyota new car buyers are growing frustrated because they can't get a second key or fob, leaving them worried about losing their one key.

The key fob is a notable chink in the modern car's less than optimal cybersecurity armor.

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.

Tesla's Model S was found to have more key fob security blues, report says A research team at a Belgian university found another vulnerability in Tesla's Pektron-sourced key fobs.