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Underbody Maintenance
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Chemicals used for
ice
and snow removal and dust
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control can collect on the underbody.
If
these are not
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removed, accelerated corrosion (rust) can occur on the
underbody parts such as fuel lines, frame, floor pan, and
exhaust system even though they have corrosion
protection.
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At least every spring, flush these materials from the
underbody with plain water. Clean any areas where mud
and other debris can collect. Dirt packed in closed areas
of the frame should be loosened before being flushed.
Your dealer or an underbody vehicle washing system
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can do this for
you.
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Chemical Paint Spotting
Some weather and atmospheric conditions can create
a
chemical fallout. Airborne pollutants can fall upon and
attack painted surfaces on your vehicle.
This damage
can take two forms: blotchy, ringlet-shaped
discolorations, and small irregular dark spots etched into
the paint surface.
Although no defect in the paint
job
causes this, Buick
will repair, at no charge to the owner, the surfaces of
new vehicles damaged
by
this fallout condition within
12
months or
12,000
miles
(20
000
km)
of purchase,
whichever comes first.
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