1993 Pontiac Grand Am Owner's Manual - Page 244

Glass Glass should be cleaned often. GM Glass Cleaner (GMPart No. 1050427) or a liquid household glass cleaner will remove normal tobacco smoke and dust films. Don't use abrasive cleaners on glass, because they may cause scratches. Avoid placing decalson the inside rear window, since they may have to be scraped off later. If abrasive cleanersare used on the inside of the rear window, an electric defogger element may be damaged. Any temporary license should not be attached across the defoggergrid. Cleaning the Outside the of Windshield and Wiper Blades If the windshield is not clear after using the windshield washer,or if the wiper blade chatters when running, waxor other material may be on the blade or windshield. Clean the outside of the windshield with GM Windshield Cleaner, Bon-Ami Powder@ (GM Part No. 1050011). The windshield is clean if beads do not form when you rinse it with water. Clean the blade by wiping vigorously with a cloth soaked in full strength windshield washer solvent. Then rinse the blade with water. Wiper blades should be checkedon a regular basis and replaced when worn. Cleaning the Outside bur of Pontiac The paint finish on your vehicle provides beauty, depth color, gloss of retention and durability. Washing Your Vehicle The best way to preserve your vehicle's finish is to keep it clean by washing it often with lukewarmor cold water. Don't wash your vehiclein the direct rays of the sun. Don't use strong soaps or chemical detergents.Use liquid hand, I 243