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 ...

It started as one of those annoyances that feels almost cute—until it doesn’t. The key fob that normally unlocks the doors ...

A key fob is a small device that helps you engage the security system on a car to gain access and, sometimes, start the car remotely. They come attached with an RFID chip & an antenna inside and use ...

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 ...

We may receive a commission on purchases made from links. Key fob battery lifecycles can be hit or miss. They typically last between two and five years, but there are many factors that can contribute ...

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 ...

A parasitic key fob left inside a car could be silently draining the battery, a concern highlighted by TikTok mechanic Brandon Sloan (@performancetransmission). Featured Video In a video posted on ...

Viewer-submitted questions for The Car Doctor: Q: My 1998 Honda Civic has been sitting for quite a while. It starts when jumped but emits a loud revving sound and a gassy smell, both of which are ...