2005 GMC ENVOY XUV Owner's Manual

Page 377 of 474

GMC ENVOY XUV 2005  Owners Manual (A) Tire Size:The tire size code is a combination of
letters and numbers used to de�ne a particular
tire’s width, height, aspect ratio, construction type and
service description. See the “Tire Siz

Page 378 of 474

GMC ENVOY XUV 2005  Owners Manual Tire Size
The following examples show the different parts of
a tire size.
(A) Passenger (P-Metric) Tire:The United States
version of a metric tire sizing system. The letter P as the
�rst character in

Page 379 of 474

GMC ENVOY XUV 2005  Owners Manual Tire Terminology and De�nitions
Air Pressure:The amount of air inside the tire pressing
outward on each square inch of the tire. Air pressure
is expressed in pounds per square inch (psi) or
kilopascal

Page 380 of 474

GMC ENVOY XUV 2005  Owners Manual Load Index:An assigned number ranging from 1 to
279 that corresponds to the load carrying capacity
of a tire.
Maximum In�ation Pressure:The maximum air
pressure to which a cold tire may be in�ated. Th

Page 381 of 474

GMC ENVOY XUV 2005  Owners Manual UTQGS (Uniform Tire Quality Grading Standards):
A tire information system that provides consumers
with ratings for a tire’s traction, temperature, and
treadwear. Ratings are determined by tire manuf

Page 382 of 474

GMC ENVOY XUV 2005  Owners Manual A Tire and Loading Information label is attached to the
vehicle’s center pillar (B-pillar), below the driver’s
door latch. This label shows your vehicle’s original
equipment tires and the correc

Page 383 of 474

GMC ENVOY XUV 2005  Owners Manual Tire Inspection and Rotation
Tires should be rotated every 5,000 to 8,000 miles
(8 000 to 13 000 km).
Any time you notice unusual wear, rotate your tires as
soon as possible and check wheel alignment.

Page 384 of 474

GMC ENVOY XUV 2005  Owners Manual After the tires have been rotated, adjust the front and
rear in�ation pressures as shown on the Tire and
Loading Information label. SeeLoading Your Vehicle on
page 4-43, for an example of the label an