How to Save Money on Audi Battery Replacement Do you find that your Audi key fob have issues locking and unlocking? This could indicate that the battery is in need of replacement. To replace the battery, simply open the metal key with flathead, then pop the back cover open using https://g28carkeys11756.iyublog.com/29342778/10-tips-for-audi-a4-spare-key-that-are-unexpected