How to Save Money on Audi Battery Replacement Does your Audi key fob have issues locking and unlocking? This could be a sign that the battery needs to be replaced. To replace the battery, you must open the metal key with flathead, then pop the back cover open using the https://g28-car-keys87374.blog2learn.com/77866568/you-re-about-to-expand-your-audi-a4-spare-key-options