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 ...

On some key fobs, the battery type will be printed on the outside. This way, you can go to the store and select your battery before you need to open up the fob.

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 ...

And did you know your fob is hiding a secret? There’s usually a mechanical key hiding inside the key fob for cars with push-button start systems, so you can still unlock your door if the car ...

Toyota Prius 2010 & Later If you have a newer version built in or after 2010, the key fob will use a Panasonic CR1632 battery which is slightly different but not that difficult to replace. You need to ...

Learning how to change the battery in a Toyota key fob isn't difficult. Whether you have a new or old model, we'll show you how to do it step by step.

An ignition key point is also often covered by a piece of plastic, if your car has one. The DB9 in question did not, the fob has to be present and in working order for the car to start.

In a viral video, a Toyota driver shared how you can remote start your car using your key fob. Viewers say that's not the only way.

Subscription-based features are taking over the automotive industry—and now they're coming for your key fob.