STEP 1: Knock off any heavy build-up with a high PSI pre-rinse
STEP 2: Foam STARS onto the vehicle, working from bottom to top. Work in a manageable-sized section. Streaking can occur on polished aluminum if the soaps dry before they are rinsed off.
STEP 3: Foam STRIPES directly over Stars working from bottom to top. DO NOT let the soap dwell. It's important to start rinsing while both soaps are still foamy and clinging to the surface.
STEP 4: Rinse left to right, starting at the bottom of the foamed area. Use high PSI and stay within 12" of surface. Doing this creates a line in the foam and lets you keep track of where you have not rinsed yet. Missing a section while rinsing will leave behind road film.