How to Save Money on Audi Battery Replacement Is your Audi key fob not locking and unlocking it? This could be a sign that the battery is in need of replacing. To replace the battery, simply open the metal key with a flathead and pop the back cover up using https://carlocksmith77960.idblogmaker.com/29318487/15-audi-a4-spare-key-benefits-everyone-needs-to-be-able-to