1998 Pontiac Grand Prix Owner's Manual - Page 331

Grime from the windshield will stick to the wiper blades and affect their performance. Clean the blade by wiping vigorously with a cloth soakedin full-strength windshield washer solvent. Then rinse the blade with water. Check the wiper blades and clean them as necessary; replace blades that look worn. Weatherstrips Silicone grease on weatherstrips make them last will longer, seal better, and not or squeak. Apply stick silicone greasewith a clean cloth at least every six months. During very cold, damp weather more frequent application may be required. (See "Recommended Fluids and Lubricants" the Index.) in Don't wash your vehicle in the direct rays the sun. of Don't use strong soapsor chemical detergents. Use liquid hand, dishor car washing (mild detergent) soaps. You can get GM-approved cleaning products from your dealer. (See "Appearance Care and Materials" in the Index.) Don't use cleaning agents that are petroleum based, or that contain acid abrasives. All cleaning or agents should be flushed promptly and allowed to not dry on the surface,or they could stain.Dry the finish with a soft, clean chamoisor an all-cotton towel to avoid surface scratches and water spotting. High pressure car washes may cause water to enter your vehicle. Cleaning Exterior LampsLenses Use lukewarmor cold water,a soft cloth and a liquid Cleaning the Outside of Your Vehicle hand, dish or vehicle washing (mild detergent) soap to The paint finish on your vehicle provides beauty, depth clean exterior lamps and lenses. Follow instructions under "Washing Your Vehicle." of color, gloss retention and durability. Washing Your Vehicle The best wayto preserve your vehicle'sfinish is to keep it water. clean by washingit often with lukewarm or cold Finish Care Occasional waxingor mild polishingof your vehicleby hand may be necessary to remove residue from the paint finish. You can get GM-approved cleaning products from your dealer. (See "Appearance Care and Materials" in the Index.) 6-56