How To Touch Up Paint Scratches On Car. Tools and materials car polish or glaze coloured wax cutting compound soap or wax and grease remover 1. Wet a paper towel or rag with excess paint remover.
The polishing ingredients in the scratch remover will do the work for you. Primer for repairing car scratches. Park the car in the shade (avoid direct sunlight always when doing touch up), and use a sponge to scrub the entire car with soapy water.