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 ...

The other day, I sat down in my Prius and pressed the Start button on the dashboard. That’s how you turn on the ignition in a Prius — usually. This time, nothing happened. The remote fob in my pocket ...

There’s a backdoor—a way to start your car even if the fob battery is dead.

Every modern automobile can be unlocked and then started even if its key fob is dead a doornail. Automakers use a variety of methods to ensure that when the battery dies you are not left stranded. The ...

The cost will depend on where you get the replacement, sometimes there are more affordable options than your dealer. You can read more about how to replace your car keys here. Disclaimer: You ...