1997 Buick Park Avenue Owner's Manual - Page 324

Care of Safety Belts Keep belts clean and dry. 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, wax, sap or other material may be on the blade or windshield. Clean the outside of the windshield withGM Windshield Cleaner, Bon Ami@Powder (non-scratching glass cleaning powder), GM Part No. 1050011. The windshield is cleanif beads do not form when you rinse it with water. Grime from the windshield will stick to 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 with water. Check the wiper blades andclean them as necessary; replace blades that look worn. I Do not bleacn or dye safety belts. If you do, it 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. Glass Glass should be cleaned often. GM Glass Cleaner (GM Part No. 1050427) or a liquid household glass cleaner will remove normal tobacco smoke and dust films on interior glass. Don't use abrasivecleaners on glass, because they may cause scratches. Avoid placing decals on the inside rear window, since they may haveto be scraped off later. If abrasive cleaners are used on the inside of the rear window, anelectric defogger element may be damaged. Any temporary licenseshould not be attached across the defogger grid. Weatherstrips Silicone grease on weatherstrips will make them last longer, seal better, and not stick or squeak. Apply silicone grease with a clean cloth at least every six months. During very cold, damp weather more frequent application may be required.(See "Recommended Fluids and Lubricants'' in the Index.)