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 ...

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 ...

Replacing the battery in a Toyota Corolla key doesn't require re-programming. You simply use a good quality flat-head screwdriver to carefully pry the two halves of the key apart. Once you have them ...

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 ...