How to Save Money on Audi Battery Replacement Is 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, turn off the metal key and use a screwdriver with a flat head to https://g28-car-keys60472.bloguetechno.com/the-reasons-audi-a4-spare-key-could-be-your-next-big-obsession-65192358