1998 Cadillac DeVille Owner's Manual - Page 340

Don't wash your vehicle in direct raysof the sun. the Don't use strong soaps or chemical detergents. Use liquid hand, dish car washing (mild detergent) soaps. or You can get GM-approved cleaning products from your dealer. (See "AppearanceCare and Materials" in the are Index.) Don't use cleaning agents that petroleum based, or that contain acid or abrasives. All cleaning agents shouldbe flushed promptly and not allowed to dry on the surface,or they could stain. Dry the finish with a soft, clean chamois or all-cotton towel to an avoid surface scratches and water spotting. High pressure car washes may cause water to enter your vehicle. Your vehicle has a "basecoatjclearcoat" paint finish. to The clearcoat gives more depth and glossthe colored basecoat. Always use waxes and polishes that are non-abrasiveand made for a basecoatjclearcoat paint finish. NOTICE: Machine compounding or aggressive polishing on a basecoatlclearcoat paint finish may dull the finish or leave swirl marks. Foreign materials such calcium chloride and other as salts, ice melting agents, road oil and tar, tree sap, bird droppings, chemicalsfrom industrial chimneys,etc., can if damage your vehicle's finish they remain on painted surfaces. Wash the vehicle as soon as possible. If necessary, use non-abrasive cleaners that are marked safe for painted surfaces to remove foreign matter. Exterior painted surfaces are subject to aging, weather and chemical fallout that can take their over a period toll of years. You can help to keep paint finish looking the new by keeping your vehicle garaged or covered whenever possible. Cleaning ExteriorLampsLenses Use lukewarm or cold water, a soft cloth and a liquid hand, dishor car washing (mild detergent)soap to clean exterior lamps and lenses. Follow instructions under "Washing Your Vehicle." Finish Care Occasional waxingor mild polishingof your vehicle by hand may be necessary to remove residue the paint from finish. You can get GM-approved cleaning products from your dealer.(See "Appearance Care and Materials" in the Index.)