For a vehicle with matte paint, the following procedure and products are recommended: Wash and dry the vehicle Spray an area with Pre-Cleaner Opaque and wipe off within 10-15 seconds, then work on the next area Apply the Opaque wax to a small area, wait briefly (about 15 seconds), and then polish off, then work on the next area. For matte wheels, the following procedure and products are recommended: Wash and dry the wheels. Spray an area with Pre-Cleaner Opaque and wipe off within 10-15 seconds, then work on the next area. Apply Autobahn wax to a small area, wait briefly (about 15 seconds), and then polish off, then work on the next area.