Toyota Sienna (2019 year). Instruction — part 34
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8-1. Specifications
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Tire information
Run-flat tire or full-size tire
Compact spare tire
Typical tire symbols
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Tire size
(
DOT and Tire Identification Number (TIN)
(
Uniform tire quality grading
For details, see “Uniform Tire Quality Grading” that follows.
Location of treadwear indicators
(
Run-flat tire (RFT) or standard tire
(
This vehicle can be equipped with either run-flat tires (RFT) or stan-
dard tires. A “RFT” or “DSST” mark is molded on the sidewall of the
run-flat tire.
Tire ply composition and materials
Plies are layers of rubber-coated parallel cords. Cords are the strands
which form the plies in a tire.
Radial tires or bias-ply tires
A radial tire has “RADIAL” on the sidewall. A tire not marked “RADIAL”
is a bias-ply tire.
TUBELESS or TUBE TYPE
A tubeless tire does not have a tube and air is directly put into the tire.
A tube type tire has a tube inside the tire and the tube maintains the air
pressure.
Load limit at maximum cold tire inflation pressure
(
Maximum cold tire inflation pressure
(
This means the pressure to which a tire may be inflated.
Summer tires or all season tires
(
An all season tire has “M+S” on the sidewall. A tire not marked “M+S”
is a summer tire.
“TEMPORARY USE ONLY”
(
A compact spare tire is identified by the phrase “TEMPORARY USE
ONLY” molded on its sidewall. This tire is designed for temporary
emergency use only.
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DOT symbol
*
Tire Identification Number (TIN)
Tire manufacturer’s identification mark
Tire size code
Manufacturer’s optional tire type code (3 or 4 letters)
Manufacturing week
Manufacturing year
Manufacturer’s code
*
: The DOT symbol certifies that the tire conforms to applicable Federal
Motor Vehicle Safety Standards.
Typical DOT and Tire Identification Number (TIN)
Type A
Type B
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Typical tire size information
The illustration indicates typical tire size.
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Tire dimensions
Section width
Tire height
Wheel diameter
Tire size
Tire use
(P = Passenger car,
T = Temporary use)
Section width (millimeters)
Aspect ratio
(tire height to section width)
Tire construction code
(R = Radial, D = Diagonal)
Wheel diameter (inches)
Load index (2 digits or 3 dig-
its)
Speed symbol
(alphabet with one letter)
Run-flat tire code
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8-1. Specifications
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Bead
Sidewall
Shoulder
Tread
Belt
Inner liner
Reinforcing rubber
Carcass
Rim lines
Bead wires
Chafer
This information has been prepared in accordance with regulations
issued by the National Highway Traffic Safety Administration of the
U.S. Department of Transportation.
It provides the purchasers and/or prospective purchasers of Toyota
vehicles with information on uniform tire quality grading.
Your Toyota dealer will help answer any questions you may have as
you read this information.
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DOT quality grades
All passenger vehicle tires must conform to Federal Safety
Requirements in addition to these grades. Quality grades can be
found where applicable on the tire sidewall between tread shoulder
and maximum section width.
For example: Treadwear 200 Traction AA Temperature A
Tire section names
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Uniform Tire Quality Grading
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Treadwear
The treadwear grade is a comparative rating based on the wear
rate of the tire when tested under controlled conditions on a speci-
fied government test course.
For example, a tire graded 150 would wear one and a half (1-1/2)
times as well on the government course as a tire graded 100.
The relative performance of tires depends upon the actual condi-
tions of their use. Performance may differ significantly from the norm
due to variations in driving habits, service practices and differences
in road characteristics and climate.
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Traction AA, A, B, C
The traction grades, from highest to lowest, are AA, A, B and C,
and they represent the tire’s ability to stop on wet pavement as
measured under controlled conditions on specified government test
surfaces of asphalt and concrete.
A tire marked C may have poor traction performance.
Warning: The traction grade assigned to this tire is based on braking
(straight ahead) traction tests and does not include cornering (turn-
ing) traction.
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Temperature A, B, C
The temperature grades are A (the highest), B, and C, representing
the tire’s resistance to the generation of heat and its ability to dissi-
pate heat when tested under controlled conditions on a specified
indoor laboratory test wheel.
Sustained high temperature can cause the material of the tire to
degenerate and reduce tire life, and excessive temperature can lead
to sudden tire failure.
Grade C corresponds to a level of performance which all passenger
car tires must meet under the Federal Motor Vehicle Safety
Standard No. 109.
Grades B and A represent higher levels of performance on the labo-
ratory test wheel than the minimum required by law.
Warning: The temperature grades of a tire assume that it is properly
inflated and not overloaded.
Excessive speed, underinflation, or excessive loading, either sepa-
rately or in combination, can cause heat buildup and possible tire
failure.
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8-1. Specifications
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Glossary of tire terminology
Tire related term
Meaning
Cold tire inflation
pressure
Tire pressure when the vehicle has been
parked for three hours or more, or has not
been driven more than 1 mile or 1.5 km under
that condition
Maximum inflation
pressure
The maximum cold inflated pressure to which
a tire may be inflated, shown on the sidewall
of the tire
Recommended
inflation pressure
Cold tire inflation pressure recommended by a
manufacturer
Accessory weight
The combined weight (in excess of those stan-
dard items which may be replaced) of auto-
matic 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)
Curb weight
The weight of a motor vehicle with standard
equipment, including the maximum capacity of
fuel, oil and coolant, and if so equipped, air
conditioning and additional weight optional
engine
Maximum loaded
vehicle weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant
weight
150 lb. (68 kg) times the number of occupants
specified in the second column of Table 1
*
that follows
Occupant distribution
Distribution of occupants in a vehicle as speci-
fied in the third column of Table 1
*
below
Production options
weight
The combined weight of installed regular pro-
duction options weighing over 5 lb. (2.3 kg) in
excess of the standard items which they
replace, not previously considered in curb
weight or accessory weight, including heavy
duty brakes, ride levelers, roof rack, heavy
duty battery, and special trim
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Rim
A metal support for a tire or a tire and tube
assembly upon which the tire beads are
seated
Rim diameter
(Wheel diameter)
Nominal diameter of the bead seat
Rim size designation
Rim diameter and width
Rim type designation
The industry manufacturer’s designation for a
rim by style or code
Rim width
Nominal distance between rim flanges
Vehicle capacity
weight (Total load
capacity)
The rated cargo and luggage load plus 150 lb.
(68 kg) times the vehicle’s designated seating
capacity
Vehicle maximum load
on the tire
The load on an individual tire that is deter-
mined by distributing to each axle its share of
the maximum loaded vehicle weight, and
dividing by two
Vehicle normal load
on the tire
The load on an individual tire that is deter-
mined by distributing to each axle its share of
curb weight, accessory weight, and normal
occupant weight (distributed in accordance
with Table 1
*
below), and dividing by two
Weather side
The surface area of the rim not covered by the
inflated tire
Bead
The part of the tire that is made of steel wires,
wrapped or reinforced by ply cords and that is
shaped to fit the rim
Bead separation
A breakdown of the bond between compo-
nents in the bead
Bias ply tire
A pneumatic tire in which the ply cords that
extend to the beads are laid at alternate
angles substantially less than 90 degrees to
the centerline of the tread
Carcass
The tire structure, except tread and sidewall
rubber which, when inflated, bears the load
Chunking
The breaking away of pieces of the tread or
sidewall
Cord
The strands forming the plies in the tire
Tire related term
Meaning
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8-1. Specifications
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Cord separation
The parting of cords from adjacent rubber
compounds
Cracking
Any parting within the tread, sidewall, or inner-
liner of the tire extending to cord material
CT
A pneumatic tire with an inverted flange tire
and rim system in which the rim is designed
with rim flanges pointed radially inward and
the tire is designed to fit on the underside of
the rim in a manner that encloses the rim
flanges inside the air cavity of the tire
Extra load tire
A tire designed to operate at higher loads and
at higher inflation pressures than the corre-
sponding standard tire
Groove
The space between two adjacent tread ribs
Innerliner
The layer(s) forming the inside surface of a
tubeless tire that contains the inflating medium
within the tire
Innerliner separation
The parting of the innerliner from cord material
in the carcass
Intended outboard
sidewall
(a) The sidewall that contains a whitewall,
bears white lettering, or bears manufac-
turer, brand, and/or model name molding
that is higher or deeper than the same
molding on the other sidewall of the tire, or
(b) The outward facing sidewall of an asym-
metrical tire that has a particular side that
must always face outward when mounted
on a vehicle
Light truck (LT) tire
A tire designated by its manufacturer as pri-
marily intended for use on lightweight trucks
or multipurpose passenger vehicles
Load rating
The maximum load that a tire is rated to carry
for a given inflation pressure
Maximum load rating
The load rating for a tire at the maximum per-
missible inflation pressure for that tire
Maximum permissible
inflation pressure
The maximum cold inflation pressure to which
a tire may be inflated
Measuring rim
The rim on which a tire is fitted for physical
dimension requirements
Tire related term
Meaning
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Open splice
Any parting at any junction of tread, sidewall,
or innerliner that extends to cord material
Outer diameter
The overall diameter of an inflated new tire
Overall width
The linear distance between the exteriors of
the sidewalls of an inflated tire, including ele-
vations due to labeling, decorations, or protec-
tive bands or ribs
Passenger car tire
A tire intended for use on passenger cars,
multipurpose passenger vehicles, and trucks,
that have a gross vehicle weight rating
(GVWR) of 10,000 lb. or less
Ply
A layer of rubber-coated parallel cords
Ply separation
A parting of rubber compound between adja-
cent plies
Pneumatic tire
A mechanical device made of rubber, chemi-
cals, fabric and steel or other materials, that,
when mounted on an automotive wheel, pro-
vides 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 corre-
sponding standard tire
Section width
The linear distance between the exteriors of
the sidewalls of an inflated tire, excluding ele-
vations due to labeling, decoration, or protec-
tive bands
Sidewall
That portion of a tire between the tread and
bead
Sidewall separation
The parting of the rubber compound from the
cord material in the sidewall
Tire related term
Meaning
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8-1. Specifications
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*
: Table 1
Occupant loading and distribution for vehicle normal load for
various designated seating capacities
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
Test rim
The rim on which a tire is fitted for testing, and
may be any rim listed as appropriate for use
with that tire
Tread
That portion of a tire that comes into contact
with the road
Tread rib
A tread section running circumferentially
around a tire
Tread separation
Pulling away of the tread from the tire carcass
Treadwear indicators
(TWI)
The projections within the principal grooves
designed to give a visual indication of the
degrees of wear of the tread
Wheel-holding fixture
The fixture used to hold the wheel and tire
assembly securely during testing
Tire related term
Meaning
Designated seating
capacity, Number of
occupants
Vehicle normal load,
Number of occupants
Occupant distribution
in a normally loaded
vehicle
2 through 4
2
2 in front
5 through 10
3
2 in front, 1 in second
seat
11 through 15
5
2 in front, 1 in second
seat, 1 in third seat,
1 in fourth seat
16 through 20
7
2 in front, 2 in second
seat, 2 in third seat,
1 in fourth seat
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Customizable features
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Changing using the audio/visual system screen
Press the “MENU” button.
Select “Setup” on the “MENU” screen and select “Vehicle”.
Various setting can be changed. Refer to the list of settings that can
be changed for details.
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Changing using the multi-information display
Use the meter control switches to select
while the vehicle
is stopped, and then press the center button to display the cus-
tomize mode screen.
Select the desired item, and then press the center button.
Select the desired setting, and then press the center button.
To go back to the previous screen or exit the customize mode,
press
.
Your vehicle includes a variety of electronic features that can be
personalized to your preferences. The settings of these features
can be changed using the multi-information display, the audio/
visual system screen or at your Toyota dealer.
Some function settings are changed simultaneously with other func-
tions being customized. Contact your Toyota dealer for further
details.
Customizing vehicle features
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Settings that can be changed using the audio/visual system screen
Settings that can be changed using the multi-information display
Settings that can be changed by your Toyota dealer
Definition of symbols: O = Available, – = Not available
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Gauges, meters and multi-information display (
Customizable features
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2
3
Function
*
1
Default setting
Customized
setting
Language
*
2
English
French
O
O
–
Spanish
Units
*
2
miles
(MPG US)
miles (MPG
Imperial)
O
O
–
km (km/L)
km (L/100 km)
F (Fahrenheit)
C (Celsius)
O
O
–
Drive information 1
Distance to
empty
*
3
–
O
–
Average fuel
economy
–
O
–
Drive information 2
Current fuel
economy
*
3
–
O
–
Average speed
–
O
–
Drive information 3
Trip distance
*
3
–
O
–
Trip elapsed
time
–
O
–
Eco Driving Indicator Light
On
(Self-lighting)
Off
–
O
–
switch settings
Drive
information 1
Desired status
screen
*
4
–
O
–
Pop-up display
On
Off
–
O
–
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2
3
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1
: For details about each function:
*
2
: The default setting varies according to country.
*
3
: Customized items are the following items except for default setting items:
average fuel economy, tank average fuel economy, trip average fuel econ-
omy, current fuel economy, distance to empty, trip distance, distance, trip
elapsed time, elapsed time, trip average speed, average speed, blank.
*
4
: Some status screens cannot be registered (indicated on multi-information
display).
*
5
: Speed limit display may not be available for some regions.
*
6
: If equipped
Speed limit display
*
5, 6
On with the
speed limit
caution indica-
tor (yellow)
enabled
On with the
speed limit
caution indica-
tor (yellow) not
enabled
–
O
O
Off
Function
*
1
Default setting
Customized
setting
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8-2. Customization
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Door lock (
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Smart key system
*
and wireless remote control (
*
: If equipped
Function
Default setting
Customized
setting
Unlocking using a key
Driver’s door
unlocked in
one step, all
doors unlocked
in two steps
All doors
unlocked in
one step
–
–
O
Automatic door lock
Shifting the
shift lever to
position other
than P
Off
O
—
O
Vehicle speed
is approxi-
mately 12 mph
(20 km/h) or
higher
Automatic door unlock
Shifting the
shift lever to P
Off
O
—
O
Driver’s door is
opened
1
2
3
Function
Default setting
Customized
setting
Operation signal (buzzer
volume)
Level 7
Off
O
–
O
Level 1 to 6
Operation signal
(Emergency flashers)
On
Off
O
–
O
Time elapsed before the
automatic door lock func-
tion is activated if door is
not opened after being
unlocked
60 seconds
Off
O
–
O
30 seconds
120 seconds
Open door warning buzzer
On
Off
–
–
O
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2
3
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Smart key system
*
(
*
: If equipped
?
Wireless remote control (
P. 105)
*
: If equipped
Function
Default setting
Customized
setting
Smart key system
On
Off
O
–
O
Number of consecutive
door lock operations
2 times
As many as
desired
–
–
O
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2
3
Function
Default setting
Customized
setting
Wireless remote control
On
Off
–
–
O
Unlocking operation
Driver’s door
unlocked in
one step, all
doors unlocked
in two steps
All doors
unlocked in
one step
O
–
O
Power sliding door
operation
*
Press and hold
Off
–
–
O
Press twice
One short
press
Power back door
operation
*
Press and hold
Off
–
–
O
Press twice
One short
press
Alarm (panic mode)
On
Off
–
–
O
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2
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