1998 Buick Riviera Owner's Manual

Cleaning Exterior LampsLensesUse lukewarm or cold water, a soft cloth and a liquidhand, dish or car washing (mild detergent) soap to cleanexterior lamps and lenses. Follow instructions under“Washing Your Vehicle.”Finish CareI NOTICE:Machine compounding or aggressive polishing ona basecoatklearcoat paint finish may dull thefinish or leave swirl marks.Occasional waxing or mild polishing of your vehicle byForeign materials such as calcium chloride and otherhand may be necessary to remove residue from the paintsalts, ice melting agents, road oil and tar, tree sap, birdfinish. You can get GM-approved cleaning productsdroppings, chemicals from industrial chimneys, etc., canfrom your dealer. (See “Appearance Care and Materials”damage your vehicle’s finish if they remain on paintedin the Index.)surfaces. Wash the vehicle as soon as possible. IfYour Buick has a “basecoat/clearcoat” paint finish. necessary, use non-abrasive cleaners that are markedThe clearcoat gives more depth and gloss to the safe for painted surfaces to remove foreign matter.colored basecoat. Always use waxes’ and polishesExterior painted surfaces are subject to aging, weatherthat are non-abrasive and made for a basecoatlclearcoatand chemical fallout that can take their toll over a periodDa finish.of years. You can help to keep the paint finish lookingnew by keeping your vehicle garaged or coveredwhenever possible.