1997 Buick Riviera Owner's Manual - Page 293

Finish Care Occasional waxing or mild polishingyour Buick by of hand -may be necessary to remove residue from the paint Exterior painted surfaces are subject to aging, weather and chemical fallout that can take their toll over a period finish. You can get GM-approved cleaning products from yaur dealer. (See "Appearance Care and Materials"of years. You can help to keep the paint finish looking new by keeping your Buick garaged or covered in the Index.) whenever possible. Your Buick has a "basecoat/clearcoat" paint finish. The clearcoat gives more depth and gloss to the colored Aluminum or Chrome Wheels basecoat. Always use waxes and polishes that are Keep your wheels clean using a soft clean cloth with non-abrasive and made for a basecoat/clearcoat mild soap and water. Rinse with clean water. After paint finish. rinsing thoroughly, dry with a soft clean towel. A wax may then be applied. ~~ ~ necessary, use non-abrasive cleaners that marked are safe for painted surfaces to remove foreign matter. NOTICE: Machine compounding or aggressive polishing on a basecoat/clearcoat paint finish may dull the finish or leave swirl marks. Foreign materials such as calcium chloride and other Don't take your vehicle through an automatic car wash salts, ice melting agents, road and tar, tree sap, bird oil tire droppings, chemicals from industrial chimneys, etc., can that has silicon carbide cleaning brushes. These of damage your vehicle's finish if they remain on painted brushes can also damage the surfacethese wheels. If surfaces. Wash the vehicle as soon as possible. the The surfaceof these wheels is similar to painted surface of your vehicle. Don't use strong soaps, chemicals, abrasive polishes, abrasive cleaners or abrasive cleaning brushes on them because you could damage the surface.You may use chrome polish on chrome wheels, but avoid any painted surface of the wheel, andbuff off immediately after application. 6-56