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 ...

Push in the button on the side of your Smart Key, and pull the tab holding in your emergency (manual) key. This allows you to unlock the car if your Smart Key's battery is flat. Once you remove the ...

You should be able to prise open the key’s plastic body and then gain access to the battery-case within. But be careful, as older plastics become brittle with age and you don’t want to snap any of the ...