Tires; Sheet Metal Damage; Underbody Maintenance - Chevrolet Silverado Classic 2007 Owner's Manual

Tires

To clean the tires, use a stiff brush with
tire cleaner.
Notice: Using petroleum-based tire dressing
products on your vehicle may damage the
paint finish and/or tires. When applying a tire
dressing, always wipe off any overspray
from all painted surfaces on your vehicle.

Sheet Metal Damage

If the vehicle is damaged and requires sheet metal
repair or replacement, make sure the body repair
shop applies anti-corrosion material to parts
repaired or replaced to restore corrosion protection.
Original manufacturer replacement parts will
provide the corrosion protection while maintaining
the warranty.
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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, 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.