How to Save Money on Audi Battery Replacement Are you experiencing issues with your Audi key fob having difficulty locking and unlocking? This may be a sign that the battery must be replaced. To replace the battery, open the metal key with an flathead and then open the back cover https://car-locksmiths55654.win-blog.com/9871153/everything-you-need-to-know-about-audi-a4-spare-key-dos-and-don-ts