4778-1. Specifications
LS500h_OM_(U)_1809
8
Vehicle specifications
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 su bstantially 90 degrees to 
the centerline of the tread
Reinforced tire
A tire designed to operat e 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 Referenc e Test Tire, when using the snow 
traction test as described in ASTM F-1805-00, 
Standard Test Method fo r Single Wheel Driving 
Traction in a Straight Line on Snow-and Ice-Cov-
ered Surfaces, and which is marked with an Alpine 
Symbol ( ) on at least one sidewall
Test rimThe rim on which a tire is  fitted for testing, and may 
be any rim listed as appropriate for use with that tire
TreadThat portion of a tire that comes into contact with 
the road
Tread ribA tread section running ci rcumferentially around a 
tire
Tread separationPulling away of the tread from the tire carcass
Tire related termMeaning