Cadillac 2009 sts ユーザーズマニュアル
Passenger (P-Metric) Tire
:
A tire used on
passenger cars and some light duty trucks
and multipurpose vehicles.
and multipurpose vehicles.
Recommended Inflation Pressure
:
Vehicle
manufacturer’s recommended tire inflation pressure
as shown on the tire placard. See Inflation - Tire
Pressure on page 5-64 and Loading the Vehicle
on page 4-24.
as shown on the tire placard. See Inflation - Tire
Pressure on page 5-64 and Loading the Vehicle
on page 4-24.
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.
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.
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 1/16 inch (1.6 mm) of tread remains.
See When It Is Time for New Tires on page 5-73.
tire when only 1/16 inch (1.6 mm) of tread remains.
See When It Is Time for New Tires on page 5-73.
UTQGS (Uniform Tire Quality Grading
Standards)
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 on page 5-77.
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 on page 5-77.
Vehicle Capacity Weight
:
The number of
designated seating positions multiplied by 150 lbs
(68 kg) plus the rated cargo load. See Loading
the Vehicle on page 4-24.
(68 kg) plus the rated cargo load. See Loading
the Vehicle on page 4-24.
5-61