How to Save Money on Audi Battery Replacement Are you experiencing issues with your Audi key fob having difficulty 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 and use a flathead screwdriver https://g2881892.ampblogs.com/5-reasons-audi-a4-spare-key-is-actually-a-good-thing-66668080