Page 260 of 324 pages for Buick RIVIERA 1993 Owner Manual.
Chemical Paint Spotting
Some weather and atmospheric conditions can create a chemical fallout. Airborne pollutants can fall upon and attack painted surfaces on your 'vehicle. This damage can take two forrns:l:nl4:IIchy1 ringlet-shaped discoloralions, and small irregular dark spoLs etched into the paint surface.
Although no defect int he paint job causes this. Buick will repair, at no charge to the owner, the surfaces new vehicles damaged by this fallout condition within [2 months or 12.00:} miles (20 DDU km] of purchase. whichever comes first.