Cadillac CT4 2023 - Page 422

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/4/22
Vehicle Care 421
Passenger (P-Metric)
Tire
: A tire used 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 0 422 and
Vehicle Load Limits 0 255.
Radial Ply Tire
: A
pneumatic tire in which the
ply cords that extend to
the beads are laid at
90 degree s 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
: The friction
between the tire and the
road surface. The amount
of grip provided.
Tread
: The portion of a
tire that comes into
contact with the road.
Treadwear Indicators
:
Narrow bands, 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 0 431.
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
manufacturers using
government testing
procedures. The ratings
are molded into the
sidewall of the tire. See
Uniform Tire Quality
Grading 0 434.
Vehicle Capacity Weight
:
The number of designated
seating positions multiplied
by 68 kg (150 lbs) plus the
rated cargo load. See
Vehicle Load Limits 0 255.
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