What is exterior wash?

They'll spray your car with a specialized high-powered spray and then hand wash all exterior parts of your car (rims of your car, door jambs, glass, etc.). Your auto detailer will use a clay bar to remove impurities or any other residue from your paint surface.

How often should you do exterior full wash for your car?

Apart from minor cleaning with the help of a clean and dry cloth regularly, you should properly get your car washed once every two weeks. This should be done to get rid of accumulated mud and dirt on the wheels, bumpers, inner wheel arches and mud flaps, as well as dust accumulated on windshields, door panels and roof.