Cadillac 2011 CTS Coupe Owner's Manual page 391

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 psi (pounds per
square inch) or kPa (kilopascal).
means the combined weight
of optional accessories.
These
Some examples of optional
accessories are, automatic
transmission, power steering,
power brakes, power windows,
power seats, and air
conditioning.
of a tire's height to its width.
A rubber coated layer of
cords that is located between
the plies and the tread. Cords
may be made from steel or other
reinforcing materials.
The tire bead contains
steel wires wrapped by steel
cords that hold the tire onto
the rim.
This
in which the plies are laid at
alternate angles less than
90 degrees to the centerline of
the tread.
amount of air pressure in a tire,
measured in kPa (kilopascal)
or psi (pounds per square inch)
The relationship before a tire has built up heat
from driving. See
a motor vehicle with standard
and optional equipment
including the maximum capacity
of fuel, oil, and coolant, but
without passengers and cargo.
A pneumatic tire
The
.
The weight of