1993 Buick Roadmaster Owner's Manual - Page 287

Finis,h Damage Any stonechips, fractures or deep scratches the fini.sh in should be repairedright away. Bare metal will corrode quickly and may develop a major repair expense. into Chemical Paint Spotting Some weather and atmosphexic conditions create a can chemical fallout. Airborne pollutants can upon and fall on attack painted surfaces your vehicle. This damage can taketwo forms: blotchy, ringlet-shaped Minor chips and scratches can be repaired with touch-up materials available from your dealer .or other service discolorations, andsmall irregular darkspots etched into the paint surface. outlets. Largerareas'of finish damage can be corrected , in your dealer's body and paintshop. Un,derbody Maintenance Chemicais used€or ice,and snow removal and-dust control can collect on the underbody. If these are not removed, accelerated corrosion (rust) can occurthe .on. underbody.partssuch asfuel lines, frame, floor pan, and exhaust system even though they have corrosion protection. At least every spring, flush these materials from the Although no defect inthe paint job causes this, Buick of will repair, at no chaKge to the owner, the surfaces new vehicles damaged by this fallout condition within 12 months or 12,000 miles.(20 000 km) of purchase, whichever comesfirst. 9 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. 285