How to Save Money on Audi Battery Replacement Do you find that your Audi key fob have trouble locking and unlocking? This could be a sign that the battery is in need of replacement. To replace the battery, open the key made of metal using an flathead and then open https://g2827265.ziblogs.com/29952016/the-reason-everyone-is-talking-about-audi-a4-spare-key-right-now