GMC Terrain 2025 - Page 253

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-18552429) - 2025
252 Vehicle Care
code, tire size, and date the tire was
m
a
nufactured. The TIN is molded onto
both sides of the tire, although only one
side may have the date of manufacture.
(5) Tire Ply Material : The type of cord and
number of plies in the sidewall and under
the tread.
(6) Uniform Tire Quality Grading (UTQG) :
Tire manufacturers are required to grade
tires based on three performance factors:
tread wear, traction, and temperature
resistance. For more information see
Uniform Tire Quality Grading 3263.
(7) Maximum Cold Inflation Load Limit :
Maximum load that can be carried and
the maximum pressure needed to support
that load.
Compact Spare Tire Example
(1) Tire Ply Material : The type of cord and
number of plies in the sidewall and under
the tread.
(2) Temporary Use Only : The compact
spare tire or temporary use tire should
not be driven at speeds over 80 km/h
(50 mph). The compact spare tire is for
emergency use when aregular road tire
has lost air and gone flat. If the vehicle has
acompact spare tire, see Compact Spare
Tire 3272 and If aTire Goes Flat 3265.
(3) Tire Identification Number (TIN) :
The
letters and numbers following the DOT
(Department of Transportation) code are
the Tire Identification Number (TIN). The
TIN shows the manufacturer and plant
code, tire size, and date the tire was
manufactured. The TIN is molded onto
both sides of the tire, although only one
side may have the date of manufacture.
(4) Maximum Cold Inflation Load Limit :
Maximum load that can be carried and
the maximum pressure needed to support
that load.
(5) Tire Inflation : The temporary use tire
or compact spare tire should be inflated to
420 kPa (60 psi). For more information on
tire pressure and inflation see Tire Pressure
3255.
(6) Tire Size : A combination of letters
and numbers define atire's width, height,
aspect ratio, construction type, and service
description. The letter “T” as the first
character in the tire size means the tire is
for temporary use only.