battery TOYOTA SIENNA HYBRID 2021 (in English) User Guide

871-4. Hybrid system
1
For safety and security
instructions.
■If a warning light comes on, a
warning message is displayed,
or the 12-volt battery is discon-
nected
The hybrid system may not start. In
this case, try to start the system
again. If the “READY” indicator does
not come on, contact your Toyota
dealer.

901-5. Theft deterrent system
If a door is unlocked using the
mechanical key while the alarm is
set, a warning will sound intermit-
tently for approximately 10 seconds.
If the alarm is not canceled or
stopped during this time, the warn-
ing pattern change s and the warn-
ing sounds for a certain period of
time.
●A person inside the vehicle opens
a door or hood, or unlocks the
vehicle using an inside lock but-
ton.
●The 12-volt battery is recharged or
replaced when the vehicle is
locked. ( P.506)
■Alarm-operated door lock
In the following cases, depending
on the situation, th e door may auto-
matically lock to p revent improper
entry into the vehicle:
●When a person left in the vehicle
triggers the alarm by unlocking a
door or the back door.
●When a person lef t in the vehicle
unlocks a door or the back door
while the alarm is operating.
●When recharging or replacing the
12-volt battery.
NOTICE
■To ensure the system oper-
ates correctly
Do not modify or remove the sys-
tem. If modified or removed, the
proper operation of the system
cannot be guaranteed.

982-1. Instrument cluster
Oil maintenance:
Displays the distance until the next engine oil change.
Shift position and shift range indicator
Displays the selected shift posit ion or selected shift range (P.238)
Outside temperature ( P.98)
Engine coolant temperature gauge
Displays the engine c oolant temperature
■The meters and display illumi-
nate when
The power swit ch is in ON.■When changing driving mode
Speedometer color is changed fol-
lowing the selected driving mode.
(  P.333)
■Hybrid System Indicator
READY OFF area
Shows that the hybrid system is not
operating.
Charge area
Shows regeneration
* status.
Regenerated e nergy will be used to
charge the hybrid battery (traction
battery).
Hybrid Eco area
Shows that gasoline engine power
is not being used very often.
The gasoline engine will automati- cally stop and restart under various
conditions.
Eco area
Shows that the vehicle is being
driven in an Eco-friendly manner.
By keeping the indicator needle
within Eco area, more Eco-friendly
driving can be achieved.
Power area
Shows that an Eco-friendly driving
range is being exceeded (during full
power driving etc.)
*: When used in this manual, “regen-
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B
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1022-1. Instrument cluster
Oil maintenance:
Displays the distance until the next engine oil change.
Shift position and shift range indicator
Displays the selected shift posit ion or selected shift range (P.238)
Outside temperature ( P.102)
Engine coolant temperature gauge
Displays the engine c oolant temperature
■The meters and display illumi-
nate when
The power swit ch is in ON.■When changing driving mode
Speedometer color is changed fol-
lowing the selected driving mode.
(  P.333)
■Hybrid System Indicator
READY OFF area
Shows that the hybrid system is not
operating.
Charge area
Shows regeneration
* status. Regen-
erated energy will be used to charge
the hybrid battery (traction battery).
Hybrid Eco area
Shows that gasoline engine power
is not being used very often.
The gasoline engine will automati-
cally stop and rest art under various
conditions. Eco area
Shows that the vehicle is being
driven in an Eco-friendly manner.
By keeping the indicator needle
within Eco area, more Eco-friendly
driving can be achieved.
Power area
Shows that an Eco-friendly driving
range is being exceeded (during full
power driving etc.)
*: When used in this manual, “regen- eration” refers to the conversion of
energy created by the movement
of the vehicle into electrical
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B
C
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1172-1. Instrument cluster
2
Vehicle status information and indicators
Select to reset the meter display
settings.
■Suspension of the settings dis-
play
●In the following situations, opera-
tion of the setting s display will be
temporarily suspended.
• When a warning message appears on the multi-information
display
• When the vehicle begins to move
●Settings for functions not
equipped to the vehicle are not
displayed.
●When a function is turned off, the
related settings for that function
are not selectable.
Select to display warning mes-
sages and measures to be
taken if a malfunction is detected. (
P.477)
Displays suggestions to the
driver in the following situations.
To select a response to a dis-
played suggestion, use the
meter control switches.
■Suggestion to turn on the
headlights
If the headlight switch is in other
than or , and the vehicle
speed is 3 mph (5 km/h) or
higher for a certain amount of
time when the surroundings are
dark, a suggestion message will
be displayed.
■Suggestion to turn off the
headlights
If the headlights are left on for a
certain amount of time after the
power switch has been turned
off, a suggestion message will
be displayed.
When the headlight switch is in
the AUTO position: The mes-
sage asking if you wish to turn
the headlights off is displayed.
To turn the headlights off, select
“Yes”.
If the driver’s door is opened after
the power switch is turned off, this
suggestion message will not be dis-
played.
■Customization
The suggestion fu nction can be
turned on/off. (Customizable fea-
WARNING
■Cautions during setting up
the display
As the hybrid system needs to be
operating during setting up the
display, ensure that the vehicle is
parked in a place with adequate
ventilation. In a closed area such
as a garage, exhaust gases
including harmful carbon monox-
ide (CO) may collect and enter
the vehicle. This may lead to
death or a seri ous health hazard.
NOTICE
■During setting up the display
To prevent 12-vo lt battery dis-
charge, ensure that the hybrid
system is operating while setting
up the display features.
Warning message dis-
play ( )
Suggestion function

1202-1. Instrument cluster
■Enabling/disabling the
head-up display
Select on the multi-informa-
tion display, select “Vehicle Set-
tings” (4.2-inch) / (7-inch)
and then select “HUD Main”.
“ON” and “OFF” switches each
time when “OK” is pressed.
■Changing settings of the
head-up display
The following settings can be
changed on “HUD Main” of the
multi-information display.
( P.112)
Press and hold “OK” to display
the following settings:
 “HUD Brightness/Position”
Select to adjust t he brightness or
vertical position of the head-up dis-
play.
 “HUD Driving Support”
• Tachometer Settings
Blank/Hybrid System/Tachometer
Select to change the display to
blank (no display)/Hybrid System Indicator/tachometer.
Select to enable/d
isable the follow-
ing items:
• Navigation (if equipped)
• Driving Assist
• Compass (if equipped)
•Audio
 “HUD Rotation”
Select to adjus t the angle of the
head-up display.
P r e s s t h e o r s w i t c h t o a d j u s t
the angle of the head-up display.
■Enabling/disabling of the head-
up display
If the head-up display is disabled, it
will remain disabled when the power
switch is turned off then back to ON.
■Display brightness
The brightness of the head-up dis-
play can be adjusted on of the
multi-information di splay. Also, it is
automatically adjusted according to
the ambient brightness.
■Head-up display automatic
position adjustment (vehicles
with driving position memory)
If the display position is recorded
into memory, the head-up display
will be automatically adjusted to the
desired position. ( P.178)
■When the 12-volt battery is dis-
connected
The customize settings of the head-
up display will be reset.
●Do not place anything on or put
stickers onto the head-up dis-
play projector.
Doing so could interrupt head-
up display indications.
●Do not touch the inside of the
head-up display projector or
thrust sharp edges or the like
into the projector.
Doing so could cause mechani-
cal malfunctions.
Using the head-up display

1212-1. Instrument cluster
2
Vehicle status information and indicators
Displays the operational status
of the following systems:
LTA (Lane Tracing Assist)
( P.275)
 Dynamic radar cruise control
with full-speed range
( P.288)
Details of content displayed on the
head-up display may differ from
that displayed on the multi-informa-
tion display. For details, refer to the
explanation of each system.
Pop-up displays for the following systems will be displayed when
necessary.
■Driving support systems
Displays a warning/sugges-
tion/advice message or the
operating state of a relevant
system.
 PCS (Pre-Colli sion System)
( P.267)
 Parking Support Brake func-
tion (for static objects) (if
equipped) ( P.323)
 Brake Override System
( P.209)
 Drive-Start Control ( P.209)
Details of content displayed on the
head-up display may differ from
that displayed on the multi-informa-
tion display. For details, refer to the
explanation of each system.
■/ icons
These icons are linked to the
multi-information display
: Master warning icon
Displayed when a warning mes-
sage is displayed on the multi-infor-
mation display. ( P.477)
: Information icon
Displayed when a suggestion pop-
up display ( P.104) or advice pop-
up display is displayed on the multi-
information display.
■Warning message
Some warning messages are
displayed when necessary,
according to certain conditions.
WARNING
■Caution for changing settings
of the head-up display
As the hybrid system needs to be
operating while changing the set-
tings of the head-up display,
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
■When changing the settings
of the head-up display
To prevent 12-vo lt battery dis-
charge, ensure that the hybrid
system is operating while chang-
ing the settings of the head-up
display.
Driving support system
display area
Pop-up display

1232-1. Instrument cluster
2
Vehicle status information and indicators
Audio system screen
Multi-information display
Meter control switches
(P.105)
■Audio system screen
Audio or Audio Plus (vehicles
without Data Communication
Module)
1 Press the “MENU” button.
2 Select “Info” on the “Menu”
screen.
If a screen other than “Energy mon-
itor” is displayed, select “Energy”.
Audio or Audio Plus (vehicles
with Data Communication
Module)/Premium Audio
1 Press the “MENU” button.
2 Select “Info” on the “Menu”
screen.
3 Select “ECO” on the “Infor-
mation” screen.
If a screen other than “Energy mon-
itor” is displayed, select “Energy”.
These images are examples only,
and may vary slight ly from actual
conditions.
■Multi-information display
4.2-inch display
1 Press or of the meter
control switches to select .
2 Press or of the meter
control switches to select the
energy monitor display.
7-inch display
1 Press or of the meter
control switches to select .
2 Press or of the meter
control switches to select the
energy monitor display.
These images are examples only,
and may vary slight ly from actual
conditions.
■Reading the display
The arrows will appear in accor-
dance with the energy flow.
When there is no energy flow,
arrows will not be displayed.
The color of the arrows will change
as follows.
Green: When the hybrid battery
Energy monitor/con-
sumption screen
You can view the status of
your vehicle on the multi-
information display and the
audio system screen
*.
*: For navigation system or multi-
media system
System components
Energy monitor
A
B
C

1242-1. Instrument cluster
(traction battery) is regenerated or
charged.
Yellow: When the hybrid battery
(traction battery) is in use.
Red: When the gasoline engine is
in use.
Multi-information display
With 4.2-inch display
With 7-inch display
Gasoline engine
Hybrid battery (traction bat-
tery)
Front tire
Rear tire
*
*: For FF vehicles, the arrows to are not displayed.
Audio system screen
Gasoline engine
Front electric motor (traction
motor)
Hybrid battery (traction bat-
tery)
Rear electric motor (traction
motor)
Front tire
Rear tire
*
*: For FF vehicles, the arrows to are not displayed.
Audio system screen (Home
screen)
The image shows all the arrows as
an example. The ac tual display will
vary depending on conditions.
Gasoline engine
Hybrid battery (traction bat-
A
B
C
D
D
A
B
C
D
E
F
F
A
B

1252-1. Instrument cluster
2
Vehicle status information and indicators
tery)
Tire
■Hybrid battery (traction battery)
status
The display changes in 8 levels
according to the remaining charge
amount of the hybrid battery (trac-
tion battery).
●The figure shows the multi-infor-
mation display as an example for
explanation.
●These images are examples only,
and may vary slight ly from actual
conditions.
Low
High
■Remaining charge amount
warning of hybrid battery (trac-
tion battery)
●The buzzer sounds intermittently
when the hybrid battery (traction
battery) remains without charging
while the shift leve r is in N, or the
remaining charge amount drops
below a certain level. If the
remaining charge amount drops
further, the buzzer sounds contin-
uously.
●When a warning message is
shown on the multi-information
display and the buzzer sounds,
follow the instructions displayed
on the screen to p erform trouble-
shooting.
■Trip information
Audio or Audio Plus (vehicles
without Data Communication
Module)
1 Press the “MENU” button.
2 Select “Info” on the “Menu”
screen.
If a screen other than “Trip Informa-
tion” is displayed, select “Trip Infor-
mation”.
Audio or Audio Plus (vehicles
with Data Communication
Module)/Premium Audio
1 Press the “MENU” button.
2 Select “Info” on the “Menu”
screen.
3 Select “ECO” on the “Infor-
mation” screen.
If a screen other than “Trip Informa-
tion” is displayed, select “Trip Infor-
mation”.
The image is an example only, and
may vary slightly from actual condi-
tions.
Fuel consumption in the past
15 minutes
Regenerated energy in the
past 15 minutes
C
A
B
Consumption
A
B