Cadillac 2007 CTS User Manual download pdf (Page 443)

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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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Cadillac 2007 CTS User Manual Page 443

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