Washing Your Vehicle; Cleaning The Outside Of Your Vehicle - GMC SIERRA DENALI 2002 Manual

Weatherstrips
Silicone grease on weatherstrips will make them last
longer, seal better, and not stick or squeak. Apply
silicone grease with a clean cloth at least every six
months. During very cold, damp weather more frequent
application may be required. See "Recommended Fluids
and Lubricants" in the Index.

Cleaning the Outside of Your Vehicle

The paint finish on your vehicle provides beauty, depth
of color, gloss retention and durability.
6-60

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.
Use a car washing soap. Don't use strong soaps or
chemical detergents. Be sure to rinse the vehicle well,
removing all soap residue completely. You can get
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GM approved cleaning products from your dealer.
See "Appearance Care and Materials" in the Index.
Don't use cleaning agents that are petroleum based,
or 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 an all
surface scratches and water spotting.
High pressure car washes may cause water to enter
your vehicle. If your vehicle is equipped with
QUADRASTEER see "Car washes" in the Index.
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cotton towel to avoid