1998 Chevrolet Express Van Owner's Manual - Page 293

Care of Safety Belts Keep beltsclean and d I Cleaning the Outsideof the Windshield and Wiper Blades I Do not bleach or dye safety belts.you do, it If may severely weaken them. In a crash, they might not be able to provide adequate protection. Clean safety belts only with mild soap and lukewarm water. If the windshield is not clear after using the windshield washer, or if the wiper blade chatters when running, wax, sap or other material may be on the blade windshield. or Clean the outside of the windshield withGM Windshield Cleaner, Bon Powder (non-scratching glass at cleaning powder), GM P r No. 105OO11. The windshield is clean if beads do not form when you rinse it with water. A m i @ Cleaning Glass Surfaces Glass should be cleanedoften. GM Glass Cleaner (GM Part No. 1050427) or a liquid household glasscleaner will remove normal tobacco smoke and dust films on interior glass. Don't use abrasive cleaners on glass, because they may cause scratches. Avoid placing decalson the inside rear window, sincethey may have to be scraped off later. If abrasive cleaners are used on the inside the rear of window, an electric defogger element may be damaged. Any temporary licenseshould not be attached across the defogger grid. to Grime from the windshield will stick the wiper blades and affect their performance. Clean the blade by wiping vigorously with a cloth soaked in full-strength windshield washer solvent. Then rinse the blade withwater. Check the wiper blades and clean them as necessary; replace blades that look worn. Weatherstrips Silicone grease on weatherstrips will make them last not longer, seal better, and stick or squeak. Apply silicone grease with a clean clothat least every six months. During verycold, damp weather morefrequent application may be required. (See "Recommended Fluids and Lubricants'' in the Index.)