2021 TOYOTA SIENNA HYBRID lock

891-5. Theft deterrent system
1
For safety and security
*: If equipped
■Items to check before lock-
ing the vehicle
To prevent unexpected trigger-
ing of the alarm and vehicle
theft, make sure of the following:
 Nobody is in the vehicle.
 The side windows and moon
roof (if equipped) are closed
before the alarm is set.
 No valuables or other per-
sonal items are left in the
vehicle.
■Setting
Close the doors and hood, and
lock all the doors. The system
will be set automatically after 30 seconds.
The security indicator changes from
being on to flashing when the sys-
tem is set.
If all doors are closed with hood
open, alarm system can be set.
■Canceling or stopping
Do one of the following to deac-
tivate or stop the alarm:
 Unlock the doors.
 Turn the power switch to ACC
or ON, or start the hybrid sys-
tem. (The alarm will be deacti-
vated or stopped after a few
seconds.)
■System maintenance
The vehicle has a maintenance-free
type alarm system.
■Triggering of the alarm
The alarm may be triggered in the
following situations:
(Stopping the alarm deactivates the
alarm system.)
●The doors are unlocked using the
mechanical key.
Alarm*
The alarm uses light and
sound to give an alert when
an intrusion is detected.
The alarm is triggered in the
following situations when
the alarm is set:
 A locked door is unlocked or
opened in any way other
than using the entry func-
tion (if equipped) or wireless
remote control. (The doors
will lock again automati-
cally.)
 The hood is opened.
Setting/canceling/stop-
ping the alarm system

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.

972-1. Instrument cluster
2
Vehicle status information and indicators
The units used on the meter and display may differ depending on the target
region.
Hybrid System Indicator
Displays the Hybrid System Indicator ( P.98)
Multi-information display
Presents the driver with a variety of driving-related data ( P.104)
Displays warning messages if a malfunction occurs (P.477)
Clock ( P.100)
Speedometer
Displays the vehicle speed
Fuel gauge
Displays the quantity of fu el remaining in the tank
Odometer, trip meter and oil maintenance
Odometer:
Displays the total distance th at the vehicle has been driven
Trip meter:
Displays the distance the vehicle has been driven since the meter was last
reset. Trip meters “A” and “B” c an be used to record and display different
distances independently.
Gauges and meters (w ith 4.2-inch display)
The meters display various drive information.
Meter display
A
B
C
D
E
F

1002-1. Instrument cluster
■Pop-up display
Distance until the next engine oil
change will displayed when a warn-
ing message indicating that oil
maintenance should be performed
soon or is required is displayed.
The brightness of the instrument
panel lights can be adjusted.
1 Darker
2 Brighter
■Instrument panel brightness
adjustment
The instrument panel brightness
levels when the tail lights are on and
off can be adjusted individually.
However, when the surroundings
are bright (daytime, etc.), turning on
the tail lights will not chan ge the
instrument panel brightness.
The clocks can be adjusted on
the audio system screen.
Refer to “NAVIGATION AND
MULTIMEDIA SYSTEM
OWNER’S MANUAL”.
Changing the instrument
panel light brightness
Adjusting the clock

1012-1. Instrument cluster
2
Vehicle status information and indicators
The units used on the meter and display may differ depending on the target
region.
Hybrid System Indicator
Displays the Hybrid System Indicator ( P.102)
Multi-information display
Presents the driver with a variety of driving-related data ( P.104)
Displays warning messages if a malfunction occurs (P.477)
Clock ( P.104)
Speedometer
Displays the vehicle speed
Fuel gauge
Displays the quantity of fu el remaining in the tank
Odometer, trip meter and oil maintenance
Odometer:
Displays the total distance th at the vehicle has been driven
Trip meter:
Displays the distance the vehicle has been driven since the meter was last
reset. Trip meters “A” and “B” c an be used to record and display different
distances independently.
Gauges and meters (with 7-inch display)
The meters display various drive information.
Meter display
A
B
C
D
E
F

1042-1. Instrument cluster
■Pop-up display
Distance until the next engine oil
change will displayed when a warn-
ing message indicating that oil
maintenance should be performed
soon or is required is displayed.
The brightness of the instrument
panel lights can be adjusted.
1 Darker
2 Brighter
■Instrument panel brightness
adjustment
The instrument panel brightness
levels when the tail lights are on and
off can be adjusted individually.
However, when the surroundings
are bright (daytime, etc.), turning on
the tail lights will not chan ge the
instrument panel brightness.
The clocks can be adjusted on
the audio system screen.
Refer to “NAVIGATION AND
MULTIMEDIA SYSTEM
OWNER’S MANUAL”.
Changing the instrument
panel light brightness
Adjusting the clock

127
3
3
Before driving
Before driving
3-1. Key informationKeys ............................ 128
3-2. Opening, closing and locking the doors
Front doors.................. 132
Sliding doors ............... 137
Back door .................... 150
Smart key system ....... 164
3-3. Adjusting the seats Front seats .................. 169
Rear seats................... 171
Driving position memory .................................. 178
Head restraints............ 182
3-4. Adjusting the steering wheel and mirrors
Steering wheel ............ 185
Inside rear view mirror 186
Digital Rear-view Mirror 188
Outside rear view mirrors .................................. 198
3-5. Opening, closing the win- dows and moon roof
Power windows ........... 201
Moon roof .................... 204

1293-1. Key information
3
Before driving
key inside the vehicle, leaving the
vehicle carrying the electronic key
on your person without turning the
power switch to OFF or other pas-
sengers from unintentionally taking
the key out of the vehicle, etc., a
message that prompts the user to
confirm the state of the electronic
key or power switch mode may be
shown on the multi -information dis-
play. In those cases, follow the
instructions on the display immedi-
ately.
■If “Key Battery Low Replace
Key Battery” is displayed on
the multi-information display
The electronic key has a low bat-
tery. Replace the electronic key bat-
tery. ( P.447)
■Replacing the battery
 P.447
■Confirmation of the registered
key number
The number of keys already regis-
tered to the vehicle can be con-
firmed. Ask your Toyota dealer for
details.
■If “A New Key has been Regis-
tered Contact Your Dealer for
Details” is displayed on the
multi-information display
This message will be displayed
each time the driver’s door is
opened when the doors are
unlocked from the outside for
approximately 10 days after a new
electronic key has been registered.
If this message is displayed but you
have not had a new electronic key
registered, ask your Toyota dealer
to check if an unknown electronic
key (other than those in your pos-
session) has been registered.
NOTICE
■To prevent key damage
●Do not drop the keys, subject
them to strong shocks or bend
them.
●Do not expose the keys to high
temperatures for long periods of
time.
●Do not get the keys wet or wash
them in an ultrasonic washer,
etc.
●Do not attach m etallic or mag-
netic materials to the keys or
place the keys close to such
materials.
●Do not disassemble the keys.
●Do not attach a s ticker or any-
thing else to the surface of the
keys.
●Do not place the keys near
objects that produce magnetic
fields, such as TVs, audio sys-
tems and induction cookers.
●Do not place the keys near
medical electrical equipment
such as low-frequency therapy
equipment or microwave ther-
apy equipment, and do not
receive medical attention with
the keys on your person.
■Carrying the electronic key
on your person
Carry the electronic key 3.9 in.
(10 cm) or more away from elec-
tric appliances that are turned on.
Radio waves emitte d from electric
appliances within 3.9 in. (10 cm)
of the electronic key may interfere
with the key, cau sing the key to
not function properly.
■In case of a smart key system
malfunction or other key-
related problems
 P.504