My A3 is now a month old, and it's been a great month!! Chuffed with the car. One minor niggle is with light-sensor though: it's great, i usually have it left on "auto", but i do find it a bit eager to come on at dusk, and also when it does come on during the day - going through underpass, tunnel etc, it takes AGES to go off again. Is it possible to adjust the "sensitivity" through a VAG or something? I guess I'm answering my own question here, expect it would be factory set for safety reasons?? just curious.