How to Save Money on Audi Battery Replacement Are you experiencing issues with your Audi key fob having trouble locking and unlocking? This may be a sign that the battery must be replaced. To replace the battery, open the metal key with flathead, then pop the back cover up using https://car-locksmith46591.loginblogin.com/36770811/are-audi-a4-spare-key-the-same-as-everyone-says