How to Save Money on Audi Battery Replacement Do you notice that your Audi key fob have trouble locking and unlocking? This may be a sign that the battery is in need of replacement. To replace the battery, open the metal key using flathead, then pop the back cover up https://car-locksmith47168.blogozz.com/29467096/the-step-by-step-guide-to-choosing-your-audi-a4-spare-key