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 ...

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 ...

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. Physical keys used to be standard, but today’s ...

Unlocking your car without a traditional key is a godsend for those times when you're in a rush or your hands are full. RELATED: What to do if you lock your keys in your car RELATED: What to do when ...

Consumer Reports has no financial relationship with advertisers on this site. Consumer Reports has no financial relationship with advertisers on this site. The days of replacing a car key by having an ...

Q. I have a 2005 Honda Civic and the remote key fob has partially stopped working, but the power lock buttons work fine. When I press the "unlock" button on the fob, the doors unlock. But when I press ...