How to Save Money on Audi Battery Replacement Does your Audi key fob experience difficulty locking and unlocking? This could be a sign that the battery is in need of replacing. To replace the battery, you must open the metal key using flathead, then pop the back cover up with https://g28carkeysolutions79360.59bloggers.com/30587268/why-audi-a4-spare-key-still-matters-in-2023