Saturn 2008 Sky Owner's Manual page 249

Load Index An assigned number ranging from
:
1 to 279 that corresponds to the load carrying
capacity of a tire.
Maximum Inflation Pressure
pressure to which a cold tire can be inflated.
The maximum air pressure is molded onto the
sidewall.
Maximum Load Rating
at the maximum permissible inflation pressure
for that tire.
Maximum Loaded Vehicle Weight
curb weight, accessory weight, vehicle capacity
weight, and production options weight.
Normal Occupant Weight
occupants a vehicle is designed to seat multiplied
by 150 lbs (68 kg). See Loading Your Vehicle
on page 4-23.
Occupant Distribution
positions.
Outward Facing Sidewall
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.
The maximum air
:
The load rating for a tire
:
The sum of
:
The number of
:
Designated seating
:
The side of an
:
Passenger (P-Metric) Tire
passenger cars and some light duty trucks and
multipurpose vehicles.
Recommended Inflation Pressure
manufacturer's recommended tire inflation
pressure as shown on the tire placard.
See Inflation - Tire Pressure on page 5-56 and
Loading Your Vehicle on page 4-23.
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 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
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 5-65.
A tire used on
:
Vehicle
:
Narrow bands, sometimes
:
5-55