How to Save Money on Audi Battery Replacement Do you find that your Audi key fob have trouble locking and unlocking? This could be a sign that the battery is in need of replacement. To replace the battery, simply open the metal key with a flathead and pop the back https://carlocksmith37455.shotblogs.com/what-is-the-audi-a4-spare-key-term-and-how-to-use-it-44204049