How to Save Money on Audi Battery Replacement Does your Audi key fob experience difficulty locking and unlocking? This could indicate that the battery is in need of replacing. To replace the battery, open the metal key using flathead, then pop the back cover up using a screwdriver. Install a https://auto-locksmiths06422.newbigblog.com/35836105/15-startling-facts-about-audi-a4-spare-key-that-you-didn-t-know