How to Save Money on Audi Battery Replacement Are you experiencing issues with your Audi key fob not locking and unlocking it? This could indicate that the battery is in need of replacing. To replace the battery, open the metal key with a flathead and pop the back cover open https://auto-locksmiths69774.blogthisbiz.com/36424446/5-arguments-audi-a4-spare-key-is-actually-a-great-thing