Originally Posted by
robi1000
OK, my car was freshly resprayed a while ago and there was construction work on the building it's in. There was a layer of concrete dust on the car. I gently hosed down most of it, but when car dried up, there's a very fine dust on the paintwork. It can be wiped off, but I'm afraid that will leave marks in the paint.
Any ideas how to clean this, preferably without touching the car (by this I mean using a jet wash or something similar). Car must appear on a car show in 2 days, so there's no room for error. :D