How to Save Money on Audi Battery Replacement Does your Audi key fob have issues locking and unlocking? This could be a sign that the battery is in need of replacing. To replace the battery, you must open the key made of metal using flathead, then pop the cover off https://g28carkeys22677.smblogsites.com/30210418/what-audi-a4-spare-key-experts-want-you-to-be-educated