How to Save Money on Audi Battery Replacement Is your Audi key fob having difficulty locking and unlocking? This could 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://autolocksmith87780.blogcudinti.com/29831938/a-step-by-step-guide-to-selecting-the-right-audi-a4-spare-key