How to Save Money on Audi Battery Replacement Is your Audi key fob not locking and unlocking it? This could be a sign that the battery is in need of replacing. To replace the battery, turn off the metal key and use a flathead screwdriver to pop up the back https://g2866558.blogacep.com/35349613/5-audi-a4-spare-key-lessons-learned-from-the-pros