1996 Pontiac Grand Prix Owner's Manual - Page 287

Cleaning the Outside of the Windshield andWiper Blades If the windshield is not clear after using the windshield washer, or if the wiper blade chatters when running, wax or other material may be onthe blade or windshield. % Cleaning the Outside of Your Pontiac The paint finish on your vehicle provides beauty, depth of color, gloss rqtention :and durability. +&q?y-'"". $;,p;%* washing oh ~ i i c l e The best way to preserve your vehicle's finish is to keep it clean by washing it often with lukewarm or cold water. Don't wash your vehicle in the direct rays of the sun. Don't use strong soaps or chemical detergents. Use liquid hand, dish or car washing (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 a 1 ~ 0 ~ % towel to avoid cotton surface scratches and water spotting. High pressure car washes may cause water to enter your vehicle. Clean the outside of the windshield with GM Windshield Cleaner, Bon-Ami Powder@(GM P r at No. 1050011).The windshield is clean if beads do not form when you rinse it with water. Clean the blade by wipingvigorously 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. 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 Lubricants" and in the Index.) I