How To Change An Audi Key Fob Battery. On the front side of the key press the button markerd arrow and B and at the same time pull battery. Pry apart the base A and the cover B carefully with a coin.

Press the release buttons C on the battery holder while pulling the battery holder out of the remote control key in the direction of the arrow. Simultaneously pull out the battery carrier from the remote control key. Remove the battery carrier from the remote control key by pulling it to the right or in the same direction as the release button.
Step By Step Guide To Change The Battery in Audi Key Fob.
Step 1 Remove the metal key battery. Turn the remote control fob over so that you can easily access the release button. Put the driver side door lock switch in the Unlock position and hold it. Press the back cover of the key using a small screwdriver.
