How To Open Vw Key Fob To Change Battery. Go back to the key in the ignition. Carefully pry the battery from its bed using the small flat-head screwdriver.
From the now-empty key cavity push up on the panel. You will then need a steady grip on your VW. If you have the older round button-rubbery fob it uses a CR1620 battery.
Use an exacto knife to pry off the VW badge.
Go back to the key in the ignition. Leave the key in the ignition. Make sure you have a firm grasp on the key fob. Enjoy your fully-functioning key FOB.
