393 Operation
Tires and wheels
Tire ply material
1Plies in sidewall
2Plies under tread
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.
Warning!G
The temperature grade for this tire is estab-
lished for a tire that is properly inflated and 
not overloaded. Excessive speed, underin-
flation, or excessive loading, either sepa-
rately or in combination, can cause 
excessive heat build-up and possible tire 
failure.
iFor illustration purposes only. Actual data 
on tires are specific to each vehicle and may vary 
from data shown in above illustration.