1998 Chevrolet Lumina Owner's Manual - Page 292

Finish Damage Chemical Paint Spotting Any stone chips, fractures deep scratches in the finish Some weather and atmospheric conditions create or can should be repaired right away. Bare metal will corrode a chemical fallout. Airborne pollutants can upon fall quickly and may develop a major repair expense. into and attack painted surfaces on your vehicle. This damage can take two forms: blotchy, ringlet-shaped Minor chips and scratches can be repaired with touch-up discolorations, and small irregular dark spots etched materials available from your dealeror other service into the paint surface. outlets. Larger areas of finish damage can be corrected in your dealer's body and paint shop. Underbody Maintenance Chemicals usedfor ice and snow removal and dust control can collect on the underbody. If these are not removed, accelerated corrosion (rust) can occur on the underbody parts such as fuel lines, frame, floor pan and exhaust system even though they have corrosion protection. At least every spring, flush these materials the from underbody with plain water. Clean any areas where mud and other debris can collect. Dirt packed closed areas in of the frame should be loosened before being flushed. Your dealer oran underbody car washing system can do this for you. Although no defect the paint job causes this, in Chevrolet will repair, at no charge the owner, the to surfaces of new vehicles damaged by this fallout condition within 12 months or 12,000 miles (20 000 km) of purchase, whichever occurs first. 6-54