Buick Regal 2014 Owner's Manual page 294

Diameter of
the wheel in inches.
characters represent the load
index and speed rating of the
tire. The load index represents
the load carrying capacity a tire
is certified to carry. The speed
rating is the maximum speed a
tire is certified to carry a load.
The amount of
air inside the tire pressing
outward on each square inch of
the tire. Air pressure is
expressed in kPa (kilopascal)
or psi (pounds per square inch).
combined weight of optional
accessories. Some examples of
optional accessories are
automatic transmission, power
windows, power seats, and air
conditioning.
These
of a tire's height to its width.
A rubber coated layer of
cords between the plies and the
tread. Cords may be made from
steel or other reinforcing
materials.
steel wires wrapped by steel
cords that hold the tire onto
the rim.
in which the plies are laid at
alternate angles less than
90 degrees to the centerline of
the tread.
The
amount of air pressure in a tire,
measured in kPa (kilopascal)
or psi (pounds per square inch)
The relationship
The tire bead contains
A pneumatic tire
The
before a tire has built up heat
from driving. See
.
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.
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.
Gross Vehicle Weight
Rating. See
.