1997 Pontiac Bonneville Owner's Manual - Page 307

Cleaning the Outside the of Windshield and Wiper Blades I the windshield is not clear after using windshield f the running, wax, washer, or if the wiper blade chatters when sap or other material may on the bladeor windshield. be Clean the outside of the windshield with GM Windshield Cleaner, Bon Ami@Powder (non-scratching at glass cleaning powder), GM P r No. 1050011. The windshield is clean if beads do not form when yourinse it with water. Grime from the windshield will stick tothe wiper blades and affect their performance. Clean the blade by wiping vigorously with a cloth soaked in full-strength windshield washer solvent. Thenrinse the blade with water. Check the wiper blades and clean them as necessary; replace blades that look worn. Cleaning the Outside of Y c Washing Your Vehicle ac The paint finish on your vehicle provides beauty, depth of color, gloss retention and durability. The best way to preserveyour vehicle's finish is to keep it clean by washing it often with lukewarmor cold water. Don't wash yourvehicle in the direct rays of the sun. Don't use strong soaps or chemical detergents. Use liquid hand, dish or car wa,shing(mild detergent) soaps. Don't use cleaning agents that are petroleum based, or that contain acid or abrasives. All cleaning agents should be flushed promptly and not allowed to dry on the surface, or they could stain. Dry the finish with a soft, clean chamois or an all-cotton towel to avoid surface scratches and water spotting. High pressure car washes may cause water toenter your vehicle. Weatherstrips Silicone grease on weatherstrips will make them last longer, seal better, and not stick or squeak. Apply Cleaning ExteriorLamps/Lenses Use lukewarm or cold water, a soft cloth and a liquid hand, dish or vehicle washing (mild detergent) soap to clean exterior lamps and lenses. Follow instructions under "Washing Your Vehicle." silicone grease with a clean cl'othat least every six months. During very cold, damp we'athermore frequent application maybe required. (See "Recommended Fluids and Lubricants" in the Index.) 6-54