Like anything powered by a battery, a car key fob can die—often at the worst time. Here’s how to change the battery in your key fob quickly and safely. Check your battery type. Most fobs use small ...

The fob for your Chevrolet should work for years, but eventually, the battery will need replacing. When you look at the fob, ...

Once upon a time, a long, long time ago, you needed to put an actual key into a car's door lock to get in. Today, the doors of most modern cars are unlocked by pressing a button on the key. In some ...

Wallet. Cell phone. Car keys. That’s the mental checklist many of us go through before we leave the house. But don’t you hate it when you approach your car, click the unlock button and nothing happens ...

DEAR CAR TALK: I have a 2012 Toyota RAV4 with keyless entry and keyless ignition. If the battery in the key fob dies, and I’m not at home where I can grab the spare key, how do I start the car? – Rich ...

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 ...

According to experts, a battery in a car key fob is supposed to last anywhere from three to five years. However, as key fobs get more advanced, some have found their fobs dying much earlier than ...

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 ...

We may receive a commission on purchases made from links. For the sake of convenience, the battery in your car's key fob is designed to last a fairly long time, usually up to around four years. The ...