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 ...

Like anything else relying on a battery, your car key fob can die—often at the worst time. Thankfully, these batteries are easy to replace. The post How to Change the Battery in Your Car Key Fob ...

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.

Assuming the battery was the problem and not the fob itself, it’s usually not difficult to replace the battery yourself. If that’s not possible, you'll need to take the fob to a dealer or garage.

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 ...

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.