I dont understand why my 4Wheel Drive keeps switching off every now and then. It's always because of either the Brake Light Switch going or the Clutch Pedal Switch. I just changed the brake light switch a week ago and now the 4Wheel drive is off again, VAG com is telling me its the clutch pedal switch this time. Are they related? when I change one do I have to change the other? and does anybody know why they keep getting faulty?