1993 Pontiac Grand Am Owner's Manual - Page 247

Finish Damage Any stone chips, fractures or deep scratches in the finish should be repaired right away. Bare metal will corrode quickly and may develop into a major repair expense, Minor chips and scratches can be repaired with touch-up materials available from your dealer other or service outlets. Larger areas of finish darnage can be correctedin your dealer's body and paint shop. Underbody Maintenance Chemical Paint Spotting Chemicals used for ice and snow Some weatherand atmospheric removal and dust control can collect on conditions can createa chemical fallout. the underbody. If theseare not removed, Airborne pollutants can fall upon and accelerated corrosion (rust) can occur attack painted surfaces on your vehicle. on the underbody parts such fuel as This damage can take two forms: blotchy, ringlet-shaped discolorations, lines, frame, floor pan, and exhaust system even though they have corrosion and small irregular dark spots etched into the paint surfhce. protection. Although no defect in the paint job At least every spring, flush these materials from the underbody with plain causes this, Pontiac will repair, at no water. Clean any areas where mud and charge to the owner, the surfaces new of other debris can collect. Dirt packed in vehicles damaged by this fallout condition within l months or l2,OOO 2 closed areas of the frame should be loosened before being flushed. Your miles (20 OOO km) of purchase, dealer or an underbody vehicle washing whichever comes first. system can do this for you.