How to Save Money on Audi Battery Replacement Do you notice that your Audi key fob experience difficulty 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://auto-locksmith92176.onesmablog.com/15-audi-a4-spare-key-benefits-everyone-must-know-70230409