How to Save Money on Audi Battery Replacement Do you notice that your Audi key fob experience difficulty locking and unlocking? This could be a sign that the battery is in need of replacement. To replace the battery, open the metal key and use a screwdriver with a flat head https://g28carkeys52472.blogdon.net/audi-a4-spare-key-tips-from-the-top-in-the-business-46345914