In winter, both dirty and freshly washed cars can be seen on city streets. This raises the question – is it advisable to wash a vehicle in the winter cold, or is it better to leave it dirty until spring?
One school of thought is that you should get potentially corrosive salts and other anti-ice agents off your car's bodywork whenever you can. But another school of thought says that a visit to the car wash in sub-zero temperatures could end up forming excessive ice on the car that p...