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, turn off the metal key and use a flathead screwdriver to remove the back cover. https://autolocksmith84096.frewwebs.com/30434323/the-little-known-benefits-of-audi-a4-spare-key