https://www.openlearning.com/u..../blalockslattery-sm1
How to Repair a Key Fob It could be time to bring your car to an auto service if you are unable to get the key fob to work. Before you go to an automotive repair shop, you should first check a few things. The most obvious reason why your key fob isn't working is that it has a dead battery. Most key fobs are powered by standard 3V button cells, which are available in most stores. Dead Battery The battery in your key fob is responsible for the remote functions that allow you to open or