How to Save Money on Audi Battery Replacement Do you notice that your Audi key fob have trouble locking and unlocking? This could be a sign the battery is in need of replacing. To replace the battery, open the metal key using flathead, then pop the back cover up with https://g28carkeysolutions79360.59bloggers.com/30242773/15-audi-a4-spare-key-benefits-everyone-needs-to-know