Talking of washing the car.
Well I wouldn't trust the dealer to wash the car again. When I took it in for the digital gear indicator he asked if I want the car washing I said no it its that dirty. He said later they have washed it before he had chance to tell them not to.
The next day all my wheel bolt plastic caps went white so I don't know what they use to wash the wheels. I pulled them all off and used back to black to restore them even now there are traces of white on the caps. I haven't been back to claim a new set under warranty.