Accessory Weight; Automatic Transmission; Tire And Loading Terminology; Air Pressure - SMART fortwo coupé Operator's Manual

Tires and wheels
142
DOT (Department of Transportation)
Tire branding symbol : which denotes the
tire meets requirements of the U.S.
Department of Transportation.
Manufacturer's identification mark
Manufacturer's identification mark ;
denotes the tire manufacturer.
New tires have a mark with two symbols.
Retreaded tires have a mark with four
symbols. For more information on
retreaded tires (
Tire size
Code = indicates the tire size.
Tire type code
Tire type code ? may, at the option of the
manufacturer, be used as a descriptive
code for identifying significant
characteristics of the tire.
Date of manufacture
Date of manufacture A identifies the week
and year of manufacture.
The first two figures identify the week,
starting with "01" to represent the first
full week of the calendar year. The second
two figures represent the year.
For example, "3202" represents the 32nd
week of 2002.
Y
page 126).
Tire ply material
i
For illustration purposes only. Actual
data on tires are specific to each vehicle
and may vary from data shown in above
illustration.
This marking tells you about the type of
cord and number of plies in the
sidewall : and under the tread ;.

Tire and loading terminology

Accessory weight

The combined weight (in excess of those
standard items which may be replaced) of
automatic transmission, power steering,
power brakes, power windows, power seats,
radio, and heater, to the extent that these
items are available as factory-installed
equipment (whether installed or not).

Air pressure

The amount of air inside the tire pressing
outward on each square inch of the tire. Air
pressure is expressed in pounds per square
inch (psi), or kilopascal (kPa) or bars.
Aspect ratio
Dimensional relationship between tire
section height and section width expressed
in percentage.