Cadillac 2012 CTS-V Owner's Manual page 439

To keep the paint finish looking
new, keep the vehicle garaged or
covered whenever possible.
Regularly clean bright metal parts
with water or chrome polish on
chrome or stainless steel trim,
if necessary.
For aluminum, never use auto or
chrome polish, steam, or caustic
soap to clean. A coating of wax,
rubbed to a high polish, is
recommended for all bright
metal parts.
Use only lukewarm or cold water, a
soft cloth, and a car washing soap
to clean exterior lamps and lenses.
Follow instructions under "Washing
the Vehicle" later in this section.
Clean the outside of the windshield
with glass cleaner.
Clean rubber blades using a lint-free
cloth or paper towel soaked with
windshield washer fluid or a mild
detergent. Wash the windshield
thoroughly when cleaning the
blades. Bugs, road grime, sap,
and a buildup of vehicle wash/wax
treatments may cause wiper
streaking.
Replace the wiper blades if they
are worn or damaged. Damage can
be caused by extreme dusty
conditions, sand, salt, heat, sun,
snow, and ice.
Apply silicone grease on
weatherstrips to make them last
longer, seal better, and not stick or
squeak. See
Use a stiff brush with tire cleaner to
clean the tires.
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