How to Save Money on Audi Battery Replacement Are you experiencing issues with your Audi key fob not locking and unlocking? This could be a sign that the battery needs to be replaced. To replace the battery, open the metal key with a flathead and pop the back cover up https://g28carkeys42733.p2blogs.com/29342555/8-tips-to-improve-your-audi-a4-spare-key-game