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227Car care and technical information
Maximum Load rating:
The load rating for
a tire at the maximum permissible inflation
pressure for that tire.
Maximum Loaded Vehicle Weight:
The
sum of curb weight; accessory weight;
vehicle capacity weight; and production
options weight.
Maximum Permissible Inflation Pres-
sure:
The maximum cold inflation pressure
to which a tire may be inflated.
Normal occupant weight:
The number of
occupants a vehicle is designed to seat mul-
tipled by 150 pounds (68 kg). See “Loading
Your Vehicle” on page 226.
Occupant Distribution:
Designated sea-
ting positions.
Outward Facing Sidewall: The side of a
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 on the other sidewall of the tire.
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 shown on the tire label,
see “Inflation - Tire Pressure” on page 217
and “Loading Your Vehicle” on page 226.
Radial Ply Tire:
A pneumatic tire in which
the ply cords that extend to the beads are
laid at substantially 90 degrees to the cen-
terline of the tread.
Rim:
A metal support for a tire or a tire and
tube assembly 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 provi-
ded.
Treadwear Indicators:
Narrow bands,
sometimes called “wear bars”, that show
across the tread of a tire when only
2/32 inch of tread remains. See “When It Is
Time for New Tires” on page 219.
Tread Width:
The width of the tire´s tread.
UTQGS:
Uniform Tire Quality Grade Stan-
dards, a tire information system that provi-
des consumers with ratings for a tire´s trac-
tion, temperature and treadwear. Ratings
are determined by tire manufacturers using
government testing procedures. The rating
are molded into the sidewall of the tire. See
“Uniform Tire Quality Grading” on
page 221.
Vehicle Capacity Weight:
Is the number of
designated seating positions multipled by
150 pounds (68 kg) plus the rated cargo
load. See “Loading Your Vehicle” on
page 226.
Vehicle Maximum Load on the Tire:
Load
on an individual tire due to curb weight,
accessory weight, occupant weight and
cargo weight.
Vehicle label:
A label permanently
attached to a vehicle showing original
equipment tire size and the recommended
cold inflation pressure. See “Loading Your
Vehicle” on page 226.