1994 Pontiac Bonneville Owner's Manual - Page 233

Service & Appearance Care Glass should be cleaned often. GM Glass Use only mild soap and water to clean the Cleaner (GM Part No. 1050427) or a liquid household glass cleaner will top surfaces of the instrument panel. Sprays containing silicones or waxes may remove normal tobacco smoke and dust films. cause annoying reflections in the windshield and even make it difficult to Don't use abrasive cleaners on glass, see through the windshield under certain because they may cause scratches. Avoid conditions. placing decals on the inside rear window, since they may have to be scraped off Cure of Safety Belts later. Cleaning the Top of the Instrument Panel Glass Cleaning the Outside of the Windshield and Wiper Blades If the windshield isnot clear after using the windshield washer, or if the wiper blade chatters when running, wax or other material may be on the blade or windshield. Clean the outside of the windshield with GM Windshield Cleaner, Bon-Ami Powder@(GMPart No. 105001 1). The windshield is clean if beads do not form when you rinse it with water. I [f abrasive cleaners are used on the inside 3f the rear window, an electric defogger Aement may be damaged. Any temporary license should not be attached across the Clean the blade by wiping vigorously defogger grid. with a cloth soaked in full strength windshield washer solvent. Then rinse the blade with water. Wiper blades should be checked on a regular basis and replaced when worn. ...232