1993 GMC Suburban Owner's Manual - Page 327

Cleaning the Outside of the Windshield and Wiper Blades I thewindshield is notclearafterusingthewindshieldwasher. f or if thewiper bladechatterswhenrunning. wax or othermaterialmaybeon the blade or windshield. Cleantheoutsidewindshield with GM WindshieldCleaner. Bon-Ami Powder :' (GM Part No. 1050011). Thewindshield is clean if beadsdonotformwhen you rinse it withwater. Cleanthebladebywipingvigorouslywitha cloth soaked in fullstrength washersolvent. Then rinsethebladewithwater. Wiperblades should becheckedonaregularbasisandreplacedwhenworn. Cieanjng the outside of Your Vihick! Thepaintfinish on yourvehicleprovidesbeauty,depth retentionanddurability. ofcolor,gloss Washing Your Wehide The bestwaytopreserveyourvehicle'sfinishis it oftenwithlukewarmor cold water. to keep it clean bywashing Don'twashyourvehicle in thedirectrays of thesun.Don'tusestrongsoaps orchemicaldetergents.Useliquidhand,dishorcarwashing(non-detergent) soaps.Don'tusecleaningagentsthatcontain acid orabrasives. All cleaning agentsshouldbeflushedpromptlyandnotallowed to dry onthesurface,or clean chamoisora 100% cotton they could stain. Dry thefinishwithasoft, towelto avoid surfacescratches and waterspotting. High pressure vehicle washes may cause water to enter your vehicle. Finish Care Occasionalwaxing or mildpolishing of yourvehiclemaybenecessary to removeresiduefromthepaintfinish. You canget GM approvedcleaning productsfromyourdealer.(See"AppearanceCare and Materials" in the Index.) Your vehiclehasaiibasecoat/clearcoat"paintfinish.Theclearcoatgivesmore depth and glosstothecoloredbasecoat. 6-61