Tire Pressure - Chevrolet Silverado 1500 2021 Owner's Manual

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 0 367 and
Vehicle Load Limits 0 222.
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.
Sidewall The portion of a tire between
:
the tread and the bead.
Speed Rating An alphanumeric code
:
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
:
into contact with the road.
A tire used
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 0 375.
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 0 377.
Vehicle Capacity Weight
of designated seating positions
multiplied by 68 kg (150 lb) plus the
rated cargo load. See Vehicle Load
Limits 0 222.
The friction between the tire
:
Narrow bands,
:
A tire information system
:
The number
:
Vehicle Care
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 capacity weight and the original
equipment tire size and recommended
inflation pressure. See Tire and Loading
Information Label under Vehicle Load
Limits 0 222.

Tire Pressure

Tires need the correct amount of air
pressure to operate effectively.
Warning
Neither tire underinflation nor
overinflation is good. Underinflated
tires, or tires that do not have
enough air, can result in:
Tire overloading and overheating,
which could lead to a blowout.
Premature or irregular wear.
Poor handling.
367
:
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