Buick 2006 Lucerne User Manual download pdf (Page 358)

100

101

Underbody Maintenance

Chemicals used for ice and snow removal and dust

control can collect on the underbody. If these are not

removed, corrosion and rust can develop 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 debris can collect. Dirt packed in close 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 the vehicle. This damage can

take two forms: blotchy, ring-shaped discolorations,

and small, irregular dark spots etched into the

paint surface.

Although no defect in the paint job causes this, GM 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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Buick 2006 Lucerne User Manual Page 358

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