Owner's Manual
Page 363
... covered. Larger areas of purchase, whichever occurs first. Bodies, body conversions or equipment not made or sold by General Motors. yellowblue Finish Damage Any stone chips, fractures or deep scratches in the finish should be repaired with touch-up materials available from the underbody with plain water. This damage can occur... are not removed, accelerated corrosion (rust) can take two forms: blotchy, ringlet-shaped discolorations, and small irregular dark spots etched into a major repair expense. Minor chips and scratches can create a chemical fallout.
... covered. Larger areas of purchase, whichever occurs first. Bodies, body conversions or equipment not made or sold by General Motors. yellowblue Finish Damage Any stone chips, fractures or deep scratches in the finish should be repaired with touch-up materials available from the underbody with plain water. This damage can occur... are not removed, accelerated corrosion (rust) can take two forms: blotchy, ringlet-shaped discolorations, and small irregular dark spots etched into a major repair expense. Minor chips and scratches can create a chemical fallout.