How to Save Money on Audi Battery Replacement Does your Audi key fob have issues locking and unlocking? This could be a sign that the battery is in need of replacement. To replace the battery, you must open the key made of metal using an flathead and then open the https://g2891723.blogerus.com/52583077/how-audi-a4-spare-key-changed-my-life-for-the-better