Owner's Manual
Page 337
...with plain water. Dirt packed in closed areas of finish damage can be loosened before being flushed. Although no defect in the paint job causes this, Cadillacwill repair, at no charge to the owner, the surfaces of purchase, whichever comes first. 323 and UNDERBODY2MAINTENANCE...This damage can collect. Minor chipsand scratches can for you. If these are not removed, accelerated corrosion (rust) can fall upon and attack painted surfaces on the underbody parts such as fuel lines,frame, floor pan, and exhaust system even though they havecorrosion protection. FINISH D M G...
...with plain water. Dirt packed in closed areas of finish damage can be loosened before being flushed. Although no defect in the paint job causes this, Cadillacwill repair, at no charge to the owner, the surfaces of purchase, whichever comes first. 323 and UNDERBODY2MAINTENANCE...This damage can collect. Minor chipsand scratches can for you. If these are not removed, accelerated corrosion (rust) can fall upon and attack painted surfaces on the underbody parts such as fuel lines,frame, floor pan, and exhaust system even though they havecorrosion protection. FINISH D M G...