631
6-1. Specifications
6
Vehicle specifications
Tire related termMeaning
PlyA layer of rubber-coated parallel cords
Ply separationA parting of rubber compound between 
adjacent plies
Pneumatic tire
A mechanical device made of rubber, 
chemicals, fabric and steel or other materials, 
that, when mounted on an automotive wheel, 
provides the traction and contains the gas or 
fluid that sustains the load
Radial ply tire
A pneumatic tire in which the ply cords that 
extend to the beads are laid at substantially 90 
degrees to the centerline of the tread
Reinforced tire
A tire designed to operate at higher loads and 
at higher inflation pressures than the 
corresponding standard tire
Section width
The linear distance between the exteriors of 
the sidewalls of an inflated tire, excluding 
elevations due to labeling, decoration, or 
protective bands
SidewallThat portion of a tire between the tread and 
bead
Sidewall separationThe parting of the rubber compound from the 
cord material in the sidewall
Snow tire
A tire that attains a traction index equal to or 
greater than 110, compared to the ASTM E-
1136 Standard Reference Test Tire, when 
using the snow traction test as described in 
ASTM F-1805-00, Standard Test Method for 
Single Wheel Driving Traction in a Straight Line 
on Snow-and Ice-Covered Surfaces, and which 
is marked with an Alpine Symbol ( ) on at 
least one sidewall
Te s t  r i m
The rim on which a tire is fitted for testing, and 
may be any rim listed as appropriate for use 
with that tire 
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What to do if...
What to do if...
A tire puncturesP. 558If you have a flat tire
The engine does not start
P. 575If the engine will not start
P. 108Engine immobilizer system
P. 581If the vehicle battery is discharged
The shift lever cannot be 
moved outP. 577If the shift lever cannot be shifted 
from P
The engine coolant temperature 
gauge enters the red zone
Steam can be seen coming 
from under the hood
P. 585If your vehicle overheats
The key is lostP. 580If you lose your keys
The battery runs outP. 581If the vehicle battery is discharged
The doors cannot be lockedP.  4 7Side doors
The horn begins to sound.P.  1 1 0Alarm
The vehicle is stuck in 
mud or sandP. 588If the vehicle becomes stuck