Toyota 2014 Sienna Manual page 827

Tire related term
Treadwear indicators
(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
SIENNA_OM_OM45483U_(U)
Meaning
The projections within the principal grooves
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
2
3
5
7
6-1. Specifications
Occupant distribution in
a normally loaded vehi-
cle
2 in front
2 in front, 1 in second
seat
2 in front, 1 in second
seat, 1 in third seat, 1
in fourth seat
2 in front, 2 in second
seat, 2 in third seat, 1
in fourth seat
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