How to Save Money on Audi Battery Replacement Are you experiencing issues with your Audi key fob having trouble locking and unlocking it? This could be a sign that the battery is in need of replacement. To replace the battery, simply open the key made of metal using a flathead https://g28carkeysolutions81504.theblogfairy.com/29647397/speak-yes-to-these-5-audi-a4-spare-key-tips