How to Save Money on Audi Battery Replacement Is your Audi key fob not locking and unlocking it? This could be a sign that the battery is in need of replacement. To replace the battery, turn off the key made of metal and use a flathead screwdriver to open the https://g28-car-key-solutions85680.blogs100.com/30320003/how-audi-a4-spare-key-influenced-my-life-for-the-better