How to Save Money on Audi Battery Replacement Do you notice that your Audi key fob have trouble locking and unlocking? This could indicate that the battery needs to be replaced. To replace the battery, you must open the metal key with flathead, then pop the back cover open using https://g28carkeys11756.iyublog.com/29379496/8-tips-to-increase-your-audi-a4-spare-key-game