Buick 2007 Terraza Owner's Manual page 454

Bead: The tire bead contains steel wires wrapped
by steel cords that hold the tire onto the rim.
Bias Ply Tire: A pneumatic tire in which the plies
are laid at alternate angles less than 90 degrees
to the centerline of the tread.
Cold Tire Pressure: The amount of air pressure
in a tire, measured in pounds per square inch
(psi) or kilopascals (kPa) before a tire has built up
heat from driving. See Inflation - Tire Pressure
on page 456.
Curb Weight: This means the weight of a motor
vehicle with standard and optional equipment
including the maximum capacity of fuel, oil, and
coolant, but without passengers and cargo.
DOT Markings: A code molded into the sidewall
of a tire signifying that the tire is in compliance
with the U.S. Department of Transportation (DOT)
motor vehicle safety standards. The DOT code
includes the Tire Identification Number (TIN),
an alphanumeric designator which can also identify
the tire manufacturer, production plant, brand,
and date of production.
454
GVWR: Gross Vehicle Weight Rating. See
Loading Your Vehicle on page 378.
GAWR FRT: Gross Axle Weight Rating for the
front axle. See Loading Your Vehicle on page 378.
GAWR RR: Gross Axle Weight Rating for the
rear axle. See Loading Your Vehicle on page 378.
Intended Outboard Sidewall: The side of an
asymmetrical tire, that must always face outward
when mounted on a vehicle.
Kilopascal (kPa): The metric unit for air pressure.
Light Truck (LT-Metric) Tire: A tire used on
light duty trucks and some multipurpose passenger
vehicles.
Load Index: An assigned number ranging from
1 to 279 that corresponds to the load carrying
capacity of a tire.