Tire Pressure - GMC Sierra 2023 Manual

Outward Facing Sidewall
:
an asymmetrical tire that has a
particular side that faces outward when
mounted on a vehicle. The side of the
tire that contains a whitewall, bears
white lettering, or bears manufacturer,
brand, and/or model name molding
that is higher or deeper than the same
moldings on the other sidewall of
the tire.
Passenger (P-Metric) Tire
:
on passenger cars and some light duty
trucks and multipurpose vehicles.
Recommended Inflation Pressure
Vehicle manufacturer's recommended
tire inflation pressure as shown on the
tire placard. See Tire Pressure 0 121 and
Vehicle Load Limits 0 75.
Radial Ply Tire A pneumatic tire in
:
which the ply cords that extend to the
beads are laid at 90 degrees to the
centerline of the tread.
Rim A metal support for a tire and
:
upon which the tire beads are seated.
The side of Sidewall
the tread and the bead.
Speed Rating
assigned to a tire indicating the
maximum speed at which a tire can
operate.
Traction
and the road surface. The amount of
grip provided.
Tread The portion of a tire that comes
:
A tire used
into contact with the road.
Treadwear Indicators
sometimes called wear bars, that show
:
across the tread of a tire when only
1.6 mm (1/16 in) of tread remains. See
When It Is Time for New Tires 0 128.
UTQGS (Uniform Tire Quality Grading
Standards)
that provides consumers with ratings
for a tire's traction, temperature, and
treadwear. Ratings are determined by
tire manufacturers using government
testing procedures. The ratings are
molded into the sidewall of the tire.
See Uniform Tire Quality Grading 0 130.
The portion of a tire between
:
An alphanumeric code
:
The friction between the tire
:
Narrow bands,
:
A tire information system
:
Vehicle Care
Vehicle Capacity Weight The number
:
of designated seating positions
multiplied by 68 kg (150 lbs) plus the
rated cargo load. See Vehicle Load
Limits 0 75.
Vehicle Maximum Load on the Tire
Load on an individual tire due to curb
weight, accessory weight, occupant
weight, and cargo weight.
Vehicle Placard A label permanently
:
attached to a vehicle showing the
vehicle's capacity weight and the
original equipment tire size and
recommended inflation pressure. See
Tire and Loading Information Label
under Vehicle Load Limits 0 75.

Tire Pressure

Tires need the correct amount of air
pressure to operate effectively.
121
: