1995 Buick Century Owner's Manual - Page 247

Cleaning the Outside the of Windshield, Backglass and Wiper Blades If the windshield is not clear after using the windshield washer, or if the wiper blade chatterswhen running, wax or othermaterial may be on the blade or windshield. Clean the outsideof the windshield with GM Windshield Cleaner, Bon-Ami Powder@(GM Part No. 1050011). The windshield is clean if beads do not form when you rinse it with water. Clean the blade by wiping vigorously with a cloth soaked in full strength windshield washer solvent. Then rinse the blade with water. Wiper blades should be checked on a regularbasis and replaced when worn. Cleaning the Outside Your Buick of The paint finish on your vehicle provides beauty, depth of color, gloss retention and durability. Washing Your Vehicle 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 orchemical detergents. Use liquid hand, dish or car washing (mild detergent) soaps. Don't use cleaningagents that arepetroleum based, or that contain acid or abrasives. cleaning agents All should be flushed promptly and not allowed to dry on the surface, orthey could stain.Dry the finishwith a soft, clean chamois or a 100% cotton towel to avoid surface scratchesand water spotting. High pressure car washes may cause water to enter your vehicle. Weatherstrips Silicone grease on weatherstrips make them last will longer, seal better, and not stick or squeak. Apply silicone greasewith a clean clothat least every six months. During very cold, damp weather more frequent application may be required. (See"Recommended Fluids and Lubricants'' in the Index.) 6-43