How to Save Money on Audi Battery Replacement Is your Audi key fob not locking and unlocking? This may be a sign that the battery must be replaced. To replace the battery, open the metal key and use a flathead screwdriver to remove the back cover. Place a brand new https://g28-car-key-solutions22786.bloggosite.com/36395553/a-how-to-guide-for-audi-a4-spare-key-from-beginning-to-end