Rinse the panels with fresh water. Remove dust and dirt with a soft cloth or sponge and a solution of mild soap and/or liquid detergent in water.Always use a soft, damp cloth to blot dry. Avoid harsh solutions or abrasive cleaning compounds, included but not limited to: alkaline or acidic cleaners, solutions containing trisodium phosphate, phosphoric acid, hydro?ouric acid, gasoline, benzene, acetone, carbon tetrachlo-ride, certain deicing ?uids, lacquer thinner or other strong solvents.Product should be cleaned when the metal is shaded