Cleaning The Outside Of Your Vehicle - GMC 1999 Sierra 1500 Pickup Owner's Manual

Service & Appearance Care
Don't use abrasive cleaners on glass, because they may cause scratches.
Avoid placing decals on the inside rear window, since they may have to be
scraped off later. If abrasive cleaners are used on the inside of the rear
window, an electric defogger element may be damaged. Any temporary
license should not be attached across the defogger grid.
Cleaning the Outside of the Windshield and Wiper Blades
If the windshield is not clear
blade chatters when running,
windshield.
Clean the outside windshield
(GM Part No. 1050011). The
you rinse it with water.
after using the windshield washer, or if the wiper
wax or other material may be on the blade or
with GM Windshield Cleaner, Bon-Ami Powder@
windshield is clean if beads do not form when
Clean the blade by wiping vigorously with a cloth soaked in full strength
washer solvent. Then rinse the blade with water.
Wiper blades should be checked on a regular basis and replaced when worn.
Cleaning the Outside of Your Vehicle
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
or chemical detergents. Use liquid hand, dish or car washing (non-detergent)
soaps. Don't use cleaning agents that contain acid or abrasives. All cleaning
agents should be flushed promptly and not allowed to dry on the surface, or
they could stain. Dry the finish with a soft, clean chamois or a 100% cotton
towel to avoid surface scratches and water spotting.
High pressure vehicle washes may cause water to enter your vehicle.
Finish Care
Occasional waxing or mild polishing of your vehicle 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,)
Your vehicle (except C 3500 HD) has a "basecoat/clearcoat" paint finish The
clearcoat gives more depth and gloss to the colored basecoat.