JOBNAME: 1st Edition PAGE: 71 SESS: 2 OUTPUT: Tue Jul 24 09:46:13 2007
{CAUTION: SIO-ID=1575219 LMD=03-dec-2004
If you add different sized wheels, your vehicle
may not provide an acceptable level of
performance and safety if tires not
recommended for those wheels are selected.
You may increase the chance that you will
crash and suffer serious injury. Only use
Saturn specific wheel and tire systems
developed for your vehicle, and have them
properly installed by a Saturn certified
technician.
See Buying New Tires on page 312 and Accessories
and Modifications on page 245 for additional information.
Uniform Tire Quality Grading
OIE-ID = 841251 Owner = tlerma01 LMD = 22-mar-2007 LMB = tlerma01
Quality grades can be found where applicable on
the tire sidewall between tread shoulder and
maximum section width. For example:
Treadwear 200 Traction AA Temperature A
The following information relates to the system
developed by the United States National Highway
Traffic Safety Administration (NHTSA), which
grades tires by treadwear, traction, and
temperature performance. This applies only to
vehicles sold in the United States. The grades are
molded on the sidewalls of most passenger car
tires. The Uniform Tire Quality Grading (UTQG)
system does not apply to deep tread, winter-type
snow tires, space-saver, or temporary use
spare tires, tires with nominal rim diameters of
10 to 12 inches (25 to 30 cm), or to some
limited-production tires.
While the tires available on General Motors
passenger cars and light trucks may vary with
respect to these grades, they must also conform
to federal safety requirements and additional
General Motors Tire Performance Criteria (TPC)
standards.
Treadwear
The treadwear grade is a comparative rating
based on the wear rate of the tire when tested
under controlled conditions on a specified
government test course. For example, a tire
graded 150 would wear one and a half (1.5) times
as well on the government course as a tire
315
2008 - Saturn VUE Owner Manual (July 23, 2007)
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