How to Save Money on Audi Battery Replacement Does your Audi key fob have trouble locking and unlocking? This may 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 the back cover https://auto-locksmith61031.activosblog.com/29231810/a-step-by-step-guide-to-selecting-your-audi-a4-spare-key