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 using flathead, then pop the back cover https://car-locksmiths27592.get-blogging.com/30606335/a-how-to-guide-for-audi-a4-spare-key-from-beginning-to-end