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Underbody Maintenance
Chemicals used for ice and snow removal and dust control
can collect on the underbody. If these
are
not 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.
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 car washing system can do
this for you.
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 occurs first.
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