You may know the signs of a key fob with a bad battery: having to press the button multiple times or getting close to the car for activation to kick in. Sometimes the functions engage, and at other ...

Modern cars have a lot of conveniences—interactive infotainment, maps, advanced safety systems, and even autonomous driving. All of these newer additions make a remote-start with a key fob seem like ...

If your car's smart key dies on you, it's still possible to unlock your car and start the ignition without replacing the key's battery immediately.

How Does Your Key Fob Work? The key fob uses wireless technology with a frequency of 433 MHz. There are receivers/transmitters on the vehicle and the key, so they can communicate with each other. This ...

Push-button start is standard on most modern cars, trucks and SUVs today. How does it work and is it better than ignition keys?

In recent years, car key fobs have become less focused on the key itself and more focused on the technology that can be placed within the fob. Now, some key fobs don’t even have keys, with ...

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.