How to Save Money on Audi Battery Replacement Do you find that your Audi key fob have issues locking and unlocking? This could be a sign that the battery needs to be replaced. To replace the battery, you must open the metal key with flathead, then pop the back cover https://g28carkeysolutions75362.bloggerbags.com/34984681/it-s-time-to-upgrade-your-audi-a4-spare-key-options