1997 Chevrolet Lumina Owner's Manual - Page 286

Cleaning Tires To clean your tires, a stiff brush with a tire cleaner. use Underbody Maintenance Chemicals used for ice and snow removal and dust control can collect on the underbody. these are not removed, If 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 in closed areas of the frame should be loosened before being flushed. Your dealer oran underbody vehicle washing system can do this for you. NOTICE: When applying a tire dressing always take care to wipe off any overspray or splash from all painted surfaces on the body or wheels of the vehicle. Petroleum-based products may damage the paint finish. Sheet Metal Damage If your vehicleis damaged and requires sheet metal repair or replacement, make sure the body repair shop applies anti-corrosion material to the parts repaired or replaced to restore corrosion protection. Chemical Paint Spotting Some weather and atmospheric conditions can create a chemical fallout. Airborne pollutants can upon and fall attack painted surfaces your vehicle.This damage on can take two forms: blotchy, ringlet-shaped discolorations, and small irregular dark spots etched into the paint surface. Although no defect in the paint causes this, job Chevrolet will repair, at no charge to the owner, the surfaces of new vehicles damagedby this fallout condition within 12 months or 12,000 miles (20000 km) of purchase, whichever occurs first. Finish Damage Any stone chips, fracturesor deep scratches in the finish should be repaired right away. Bare metal willcorrode quickly and may develop into a major repair expense. Minor chips and scratches can repaired with touch-up be materials availablefrom your dealer or other service outlets. Larger areas finish damage can corrected of be in your dealer's body and paint shop. 6-54