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Underbody Maintenance
Chemical Paint SDotting
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 fi-ame should be loosened before being flushed.
Your dealer or an underbody vehicle washing system
can do this for you.
Some weather and atmospneric conditions can create a
I
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.
6-53
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