1998 Buick Riviera Owner's Manual

Finish DamageChemical Paint SpottingAny stone chips, fractures or deep scratches in the finish Some weather and atmospheric conditions can createshould be repaired right away. Bare metal will corrode a chemical fallout. Airborne pollutants can fall uponquickly and may develop into a major repair expense. and attack painted surfaces on your vehicle. ThisMinor chips and scratches can be repaired with touch-updamage can take two forms: blotchy, ringlet-shapeddiscolorations, and small irregular dark spots etchedmaterials available from your dealer or other serviceinto the paint surface.outlets. Larger areas of finish damage can be correctedin your dealer’s body and paint shop.Although no defect in the paint job causes this, Buickwill repair, at no charge to the owner, the surfaces ofUnderbody Maintenancenew vehicles damaged by this fallout condition withinChemicals useu for ice and IW removal and dust 12 months or 12,000 miles (2000 km) of purchase,control can collect on the unuerbody. If these are not whichever occurs first.removed, accelerated corrosion (rust) can occur on theunderbody parts such as fuel lines, frame, floor panand exhaust system even though they have corrosionprotection.At least every spring, flush these materials from theunderbody with plain water. Clean any areas where mudand other debris can collect. Dirt packed in closed areasof the frame should be loosened before being flushed.Your dealer or an underbody car washing system cando this for you.6-54