Buick 1994 Century Owner's Manual page 252

basecoat. Always
use
waxes and polishes that are
non-abrasive and made for a basecoat/clearcoat paint
finish.
I
I
NOTICE:
Machine compounding or aggressive polishing
on a basecoatklearcoat paint finish may dull the
finish or leave swirl marks.
Aluminum Wheels (If So Equipped)
Your aluminum wheels have
a
protective coating similar
to the painted surface of your buick. Don't use strong
soaps, chemicals, chrome polish, abrasive cleaners or
abrasive cleaning brushes on them because you could
damage this coating. After rinsing thoroughly,
a
wax
may be applied.
NOTICE:
If you have aluminum wheels, don't use an
automatic vehicle wash that has hard silicon
carbide cleaning brushes. These brushes can
take off the protective coating.
White Sidewall Tires
Your Buick dealer has a GM
White Sidewall Tire
Cleaner. You can use a stiff brush with the cleaner.
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 & Lubricants'' in the Index.)
Sheet Metal Damage
If your vehicle is damaged and requires sheet metal
repair or replacement, make sure the body repair shop
applies anti-corrosion material to the parts repaired or
replaced to restore corrosion protection.
Foreign Material
Calcium chloride and other salts, ice melting agents,
road oil and tar, tree sap, bird droppings, chemicals from
industrial chimneys, and other foreign matter can
damage your vehicle's finish if they remain on painted
surfaces. Use cleaners that are marked safe for painted
surfaces to remove foreign matter.
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