1999 GMC Sierra 1500 Pickup Owner's Manual - Page 366

Service & Appearance Care Don'tuseabrasivecleanersonglass,becausetheymaycausescratches. Avoidplacingdecalsontheinsiderearwindow,sincetheymayhave scraped off later. If abrasivecleanersareusedontheinsideoftherear window,anelectricdefoggerelementmaybedamaged.Anytemporary license should not be attached across the defogger grid. to be Cleaning the Outside of the Windshield and Wiper Blades if thewiper If the windshield is not clear afterusingthewindshieldwasher,or bladechatters whenrunning, waxorothermaterialmaybeonthebladeor windshield. Clean the outside windshield with GM WindshieldCleaner,Bon-AmiPowder@ (GM Part No. 1050011). The windshield is clean if beadsdo notformwhen yourinse it withwater. Cleanthebladebywipingvigorouslywitha washersolvent.Thenrinsethebladewithwater. cloth soaked in full strength Wiperbladesshouldbecheckedonaregularbasisandreplacedwhenworn. Cleaning the Outside of Your Vehicle Thepaintfinish onyourvehicleprovidesbeauty,depthofcolor,gloss retentionanddurability. Washing Your Vehicle The best way to preserveyourvehicle'sfinish it oftenwithlukewarmorcoldwater. is tokeep it cleanbywashing Don'twashyourvehicle in thedirectrays of thesun.Don'tusestrongsoaps orchemicaldetergents.Useliquidhand,dishorcarwashing(non-detergent) All cleaning soaps.Don'tusecleaningagentsthatcontainacidorabrasives. agentsshouldbeflushedpromptlyandnotallowed to dryonthesurface, or ora 100% cotton theycouldstain. Dry thefinishwithasoft,cleanchamois towel to avoidsurfacescratchesandwaterspotting. High pressure vehicle washes may cause water to enter your vehicle. Finish Care Occasionalwaxingormildpolishing ofyour vehicle maybenecessaryto removeresiduefromthepaintfinish. Youcan get GM approvedcleaning productsfromyourdealer.(See"AppearanceCareandMaterials''inthe Index,) Your vehicle(except C 3500 HD) hasa"basecoat/clearcoat"paintfinishThe clearcoatgivesmoredepthandglosstothecoloredbasecoat.