I already have aftermarket heating elements from my old seats that I plan on putting in. Just buy aftermarket. Maybe the oem switches will work, not sure. BNut for what you want to do you may have an issue if the factory wirring is no where to be found in the car already. Then you would have to run new wires and know what pin does what on the factory switches. Just a thought. Maybe go to the VW dealer and see if they have the switches in stock, ask to take a look at it. See how many pins are on it. One should be power to the switch and the a pin for power to the seat. Other than that it depends on the switch....maybe a ground or a pin for illumination of the switch. I am gonna have to do some more research into this now.