https://articlescad.com/10-car....-keys-repair-meetups
How to Repair a Key Fob It may be time to take your car to an auto service if you cannot get the key fob to function. But, before you do that, there are some things to examine first. The most obvious reason that your key fob won't work is that it has a dead battery. Fortunately, most key fobs use regular 3V button cells that are easily available at the majority of stores. Dead Battery The battery in your key fob is responsible for the remote functions that allow you to unlock or open your car's trunk, tail