2021 TOYOTA SIENNA HYBRID Owners Manual (in English)

5368-1. Specifications
Weather sideThe 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 separationA breakdown of the bond between components
in the bead
Bias ply tire
A pneumatic tire in whic h the ply cords that
extend to the beads are la id at alternate angles
substantially less than 9 0 degrees to the center-
line of the tread
CarcassThe tire structure, except tread and sidewall
rubber which, when inflated, bears the load
ChunkingThe breaking away of pieces of the tread or
sidewall
CordThe strands forming th e plies in the tire
Cord separationThe parting of cords from adjacent rubber com-
pounds
CrackingAny parting withi n the tread, sidewall, or inner-
liner of the tire extend ing 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 correspond-
ing standard tire
GrooveThe space between two adjacent tread ribs
Innerliner
The layer(s) forming th e inside surface of a
tubeless tire that contains the inflating medium
within the tire
Innerliner separationThe parting of the innerliner from cord material
in the carcass
Tire related termMeaning

5378-1. Specifications
8
Vehicle specifications
Intended outboard side-
wall
(a)The sidewall that contains a whitewall, bears
white lettering, or bear s manufacturer, 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 asymmetri-
cal tire that has a par ticular side that must
always face outward whe n mounted on a vehi-
cle
Light truck (LT) tire
A tire designated by its manufacturer as primar-
ily intended for use on lightweight trucks or mul-
tipurpose passenger vehicles
Load ratingThe maximum load that a tire is rated to carry
for a given inflation pressure
Maximum load ratingThe load rating for a tire at the maximum per-
missible inflation pressure for that tire
Maximum permissible
inflation pressureThe maximum cold inflation pressure to which a
tire may be inflated
Measuring rimThe rim on which a tire is fitted for physical
dimension requirements
Open spliceAny parting at any junction of tread, sidewall, or
innerliner that extends to cord material
Outer diameterThe overall diameter o f an inflated new tire
Overall width
The linear distance between the exteriors of the
sidewalls of an inflated ti re, including elevations
due to labeling, decorations, or protective bands
or ribs
Passenger car tire
A tire intended for use on passenger cars, multi-
purpose passenger vehicles, and trucks, that
have a gross vehicle weight rating (GVWR) of
10,000 lb. or less.
PlyA layer of rubber-coated parallel cords
Ply separationA parting of rubber compound between adjacent
plies
Tire related termMeaning

5388-1. Specifications
Pneumatic tire
A mechanical device made of rubber, chemi-
cals, fabric and steel or other materials, that,
when mounted on an aut omotive wheel, pro-
vides the traction and co ntains the gas or fluid
that sustains the load
Radial ply tire
A pneumatic tire in whic h 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 correspond-
ing standard tire
Section width
The linear distance between the exteriors of the
sidewalls of an inflated tire, excluding elevations
due to labeling, decoratio n, 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 a s described in ASTM F-
1805-00, Standard Test Method for Single
Wheel Driving Traction i n a Straight Line on
Snow-and Ice-Covered Su rfaces, 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
TreadThat portion of a tire t hat comes into contact
with the road
Tread ribA tread section running circumferentially around
a tire
Tread separationPulling away of the tread from the tire carcass
Tire related termMeaning

5398-1. Specifications
8
Vehicle specifications
*:Table 1  Occupant loading and distribution for vehicle normal load for
various designated seating capacities
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 fixtureThe fixture used to hold the wheel and tire
assembly securely during testing
Designated seating
capacity, Number of occupantsVehicle normal load,
Number of occupantsOccupant distribution in a normally loaded vehi- cle
2 through 422 in front
5 through 1032 in front, 1 in second
seat
11 through 155
2 in front, 1 in second
seat, 1 in third seat, 1 in fourth seat
16 through 207
2 in front, 2 in second
seat, 2 in third seat, 1 in fourth seat
Tire related termMeaning

5408-2. Customization
8-2.Customization
■Changing using the
audio/visual system
1 Press the “MENU” button.
2 Select “Setup” on the menu
screen and select “Vehicle”.
3 Select “Vehicle Customiza-
tion”.
Various setting can be changed.
Refer to the list o f settings that can
be changed for details.
■Changing using the multi-
information display
4.2-inch display
1 Press or of the meter
control switches and select
.
2 Press or of the meter
control switches, select the
item.
7-inch display
1 Press or of the meter
control switches and select
.
2 Press or of the meter
control switches, select the
item.
3 To switch the function on and
off, press “OK” to switch to
the desired setting.
4 To perform detailed setting of
functions that support
detailed settings, press and
hold “OK” and display the
setting screen.
The method of pe rforming detailed
setting differs for each screen.
Please refer to the advice sentence
displayed on the screen.
To go back to the p revious screen
or exit the customize mode, press
.
■When customizing using the
audio/visual system or multi-
information display
Stop the vehicle in a safe place,
apply the parking brake, and shift
the shift lever to P . Also, to prevent
12-volt battery discharge, leave the
hybrid system operating while cus-
tomizing the features.
Customizable features
Your vehicle includes a vari-
ety of electronic features
that can be personalized to
suit your preferences. The
settings of these features
can be changed using the
multi-information display,
audio/visual system, or at
your Toyota dealer.
Customizing vehicle fea-
tures

5418-2. Customization
8
Vehicle specifications
Some function settings are changed simultaneously with other func-
tions being customized. Contact y our Toyota dealer for further
details.
Settings that can be changed using the audio/visual system
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
■Predictive efficient drive* (  P.82)
*: If equipped
■Gauges, meters and multi-information display ( P.97, 101,
104)
WARNING
■During customization
As the hybrid system needs to be
operating during customization,
ensure that the vehicle is parked
in a place with adequate ventila-
tion. In a closed area such as a
garage, exhaust gases including
harmful carbon monoxide (CO)
may collect and enter the vehicle.
This may lead to death or a seri-
ous health hazard.
NOTICE
■During customization
To prevent 12-vo lt battery dis-
charge, ensure that the hybrid
system is operating while custom-
izing features.
Customizable Features
FunctionDefault settingCustomized
setting
Predictive efficient driveOnOffO––
Function*1Default settingCustomized setting
Language*2English
Canadian French
OO–Mexican Span- ish
A
B
C
ABC
ABC

5428-2. Customization
*1: For details about each function: P.112
Units*2miles (MPG
US)
km (km/L)
OO–km (L/100 km)
miles (MPG Imperial)
Digital Speed*3OnOff–O–
EV indicatorOnOff–O–
Eco Guidance (ECO Acceler-
ator Guidance)OnOff–O–
Fuel EconomyTotal AverageTrip Average–O–Tank Average
Audio system linked displayOnOff–O–
Energy monitorOnOff–O–
AWD system displayOnOff–O–
Drive information type*4TripTotal–O–
Drive informatio n items (first
item)
*4Distance
Average Speed
–O–
Total Time
Drive information items (sec-
ond item)
*4Total Time
Average Speed
–O–
Distance
Trip Summary*4ECO Guid- anceDrive Info–O–
Pop-up displayOnOff–O–
Multi-Information display offOffOn–O–
Rear seat reminder functionOnOff–O–
Suggestion functionOn
On (when the vehicle is stopped)
O–O
Off
Function*1Default settingCustomized settingABC

5438-2. Customization
8
Vehicle specifications
*2: The default setting varies according to country.
*3: Vehicles with 7-inch display only
*4: Vehicles with 4.2-inch display only
■Head-up Display* ( P.118)
*: If equipped
■Door lock ( P.132, 504)
FunctionDefault settingCustomized
setting
Head-up displayOnOff–O–
Gauge informationHybrid Sys-
tem IndicatorTachometer–O–No content
Route guidance to destina-
tionOnOff–O–
Compass*OnOff–O–
Driving support system dis-
playOnOff–O–
Audio system operation sta-
tusOnOff–O–
RotationHorizontal positionRotating coun- terclock-
wise/clockwise
–O–
FunctionDefault settingCustomized setting
Unlocking using a mechani-
cal key
Driver’s door unlocked in
first step, all doors
unlocked in
second step
All doors
unlocked in first step
––O
Automatic door locking func-
tion
Shift position linked door
locking opera- tionOff
O–OSpeed linked door locking operation
ABC
ABC