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 is in need of replacement. To replace the battery, open the key made of metal using an flathead and then open https://g28carkeys39791.isblog.net/what-is-audi-a4-spare-key-and-how-to-make-use-of-it-47077047