Toyota PRIUS C 2019 Manual page 557

Tire related term
Snow tire
Test rim
Tread
Tread rib
Tread separation
Treadwear
(TWI)
Wheel-holding fixture
*
: Table 1  Occupant loading and distribution for vehicle normal load for
various designated seating capacities
Designated seating
capacity, Number of
occupants
2 through 4
5 through 10
11 through 15
16 through 20
PRIUS c_U
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
The rim on which a tire is fitted for testing, and
may be any rim listed as appropriate for use
with that tire
That portion of a tire that comes into contact
with the road
A tread section running circumferentially
around a tire
Pulling away of the tread from the tire carcass
The projections within the principal grooves
indicators
designed to give a visual indication of the
degrees of wear of the tread
The fixture used to hold the wheel and tire
assembly securely during testing
Vehicle normal load,
Number of occupants
9-1. Specifications
Meaning
Occupant distribution
in a normally loaded
2 2 in front
2 in front, 1 in second
3
2 in front, 1 in second
5 seat, 1 in third seat, 1
in fourth seat
2 in front, 2 in second
7 seat, 2 in third seat, 1
in fourth seat
557
)
vehicle
9
seat