1998 Oldsmobile 88 Owner's Manual - Page 275

Cleaning the Outside the of Windshield and Wiper Blades Cleaning the Outside Your Vehicle of The paint finish on your vehicle provides beauty, depth of color, gloss retention and durability. If the windshieldis not clear after using the windshield washer, orif the wiper blade chatters when running, wax, Washing Your Vehicle sap or other material may be on the blade or windshield. The best way to preserve your vehicle's finish is to Clean the outside the windshield withGM of keep it clean by washing often with lukewarm or it Powder (non-scratching Windshield Cleaner, Bon cold water. No. glass cleaning powder), GM Part 1050011. The Don't wash your vehicle the direct rays the sun. in of windshield is clean if beads do not when you rinse form Don't use strong soaps chemical detergents. Use or it with water. liquid hand, dish or car washing (mild detergent) soaps. Grime from the windshield will stick to the wiper blades You can get GM-approved cleaning products from your and affect their performance. Clean the blade by wiping retailer. (See "Appearance Care and Materials" in the vigorously with a cloth soaked in full-strength windshield Index.) Don't use cleaning agents that are petroleum washer solvent. Then rinse the blade with water. based, or that contain acid abrasives. All cleaning or Check the wiper blades and clean them as necessary; agents should be flushed promptly and not allowed to worn. replace blades that look dry on the surface, or they could stain. Dry the finish with a soft, clean chamois or an all-cotton towel to Weatherstrips avoid surface scratches and water spotting. Silicone grease on weatherstrips will make them High pressure car washes may cause water to enter last longer, seal better, and not stick squeak. or your vehicle. Apply silicone grease with clew cloth at least a every six months. During very cold, damp weather more frequent application may be required. (See "Recommended Fluids and Lubricants" the Index.) in A m i @ 6-46