Do you mean the Mk3?
From vague memory, you have to remove the centre air vents by carefully prising it out with a screwdriver, then insert a small screwdriver under the switch to release the locking clip and then pull out the switch.
EDIT - here you go: tinyurl.com/yctyuhc
Hopefully you don't need to log in to view the how2.
Edited by Dynamic Dave on 11/01/2010 at 21:41
|