Exterior Car Cleaning Exterior wash and dry – This washing and drying process is done by hand. The detailer will spray and wipe down the body of the car with specialized products. This includes hand washing the rims, door handles, and glass. Paint Claying – A clay bar is used to remove any contaminants, overspray, or residue left after the car has been washed. Claying results in a cleaner and smoother surface, and helps increase the effectiveness of polish and wax. Polishing – Polishing buffs an abrasive compound onto the car’s paint to remove small layers of clear coat. This makes small scratches and swirls in the paint disappear. Sealing or Waxing – To give the car a glossy shine and to add a protective layer to the car’s paint, a seala