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Chevrolet Silverado Owner Manual - 2011
10-56 Vehicle Care
20‐Inch Tires
If your vehicle has the optional
20‐inch P275/55R2 0 size tires,
they are classified as touring
tires and are designed for
on road use. The low‐prof ile,
wide tread design is not
recommended for “off‐road”
driving or commercial uses
such as snow plowing. See
Off-Road Driving
on page 9‑7
and Adding a Snow Plow or
Similar Equipment
on page 9‑123
for additional information.
Notice: If the vehicle has
low‐profile tires, they are
more susceptible to damage
from road hazards or curb
impact than standard profile
tires. Tire and/or wheel
assembly damage can occur
when coming into contact
with road hazards like,
potholes, or sharp edged
objects, or when sliding into
a curb. The vehicle warranty
does not cover this type of
damage. Keep tires set to the
correct inflation pressure and,
when possible avoid contact
with curbs, potholes, and
other road hazards.
Tire Sidewall Labeling
Useful information about a
tire is molded into the sidewall.
The following illustrations are
examples of a typical P‐Metric
and a LT‐Metric tire sidewall.
Passenger (P‐Metric) Tire
(A) Tire Size : The tire size
code is a combination of letters
and numbers used to define a
particular tire's width, height,
aspect ratio, construction type,
and service description. See the
“Tire Size” illustration later in this
section for more detail.