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 ...

If you own a Prius built between 2004-2009, the key fob used is different from the one that comes with a Prius built in 2010 or later. In the case of the 2004-2009 Prius, the procedure to change the ...

If your key fob has stopped working or is having issues, it’s probably time to change out the battery. Let’s look at how you can replace your Tesla Model X key fob battery.

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?

Locked out of your car because your key fob battery died? Learn step-by-step how to unlock your vehicle, start it with a dead key fob, and prevent future lockouts with this essential guide.