How To Change Key Battery Vw Passat. How to get a Volkswagen Passat replacement key Generally speaking you have three options. Try to start the car with any extra keys you may have for it.
Getting Started - Prepare for the repair 2. If the car starts right up with an alternative key then you know youve got a bad key in your hands. From the now-empty key cavity push up on the panel.
Locate the battery and lift or remove the cover if your battery has one.
Use a 10mm wrench to loosen the nut on the negative - battery terminal. A Drained Battery. Push it sideways from the opposite side from the button. Order a key online and have the dealer or locksmith cut and program it for you if necessary.
