1993 Cadillac DeVille Owner's Manual - Page 336

SHEET M E T L DAiWAGE If your vehicle is damaged and requires sheet metal repair or replacement, make sure the body repair shopapplies anti-corrosion material to theparts repaired or replaced to restore corrosion protection. FOREIGN M A T E M L Calcium chloride and othersalts, ice melting agents, roadoil and tar, tree sap, bird droppings, chemicals from industrial chimneys, and other foreign matter can damage your vehicle's finish if they remain on painted surfaces. Use cleaners that aremarked safe for painted surfaces for these stains. FINISH DA2MAGE Any stone chips, fractures or deep scratchesin 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 repairedwith touch-up materials available from your dealer or otherservice outlets. Larger areas finish of damage can be correctedin your dealer's body and paint shop. UNDERBODYMMNTENNrE Chemicals used for ice and snow removal and dust controlcan collect on the underbody. If these are notremoved, accelerated corrosion (rust) can occur on the underbody parts such as fuel lines, frame, floorpan, and exhaust system even though they have corrosion protection. At least every spring, flush these materials from the underbody with plain water. Clean any areas where mud and other debris collect. Dirt can packed in closed areas of the frame should be loosened before being flushed. Your dealer or an underbody vehicle washing systemcan do this for you.