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 must be replaced. To replace the battery, simply open the metal key using a flathead and pop the back cover open https://autolocksmiths30107.fitnell.com/70891745/15-audi-a4-spare-key-benefits-that-everyone-should-know