hood open TOYOTA SIENNA HYBRID 2021 Owners Manual (in English)

4TABLE OF CONTENTS
5-3. Using the storage featuresList of storage features . 366
Luggage compartment fea- tures ............................ 372
5-4. Using the other interior fea- tures
Other interior features ... 374
Garage door opener...... 392
6-1. Maintenance and care Cleaning and protecting the vehicle exterior ............ 400
Cleaning and protecting the vehicle interior ............. 403
6-2. Maintenance Maintenance requirements.................................... 406
General maintenance.... 407
Emission inspection and maintenance (I/M) programs.................................... 410
6-3. Do-it-yourself maintenance Do-it-yourself service precau-tions............................. 411
Hood ............................. 413
Positioning a floor jack .. 415
Engine compartment ..... 416
12-volt battery ............... 422
Tires .............................. 424
Tire inflation pressure ... 438
Wheels ......... .................440
Air conditioning filter ...... 441
Cleaning the hybrid battery (traction battery) air intake
vents and filters ........... 443Electronic key battery ....
447
Checking and replacing fuses .................................... 449
Light bulbs ..................... 451
7-1. Essential information Emergency flashers....... 458
If your vehicle has to be stopped in an emergency.................................... 459
If the vehicle is trapped in ris- ing water ...................... 460
7-2. Steps to take in an emer- gency
If your vehicle needs to be
towed ........................... 462
If you think something is wrong........................... 465
If a warning light turns on or a warning buzzer sounds 466
If a warning message is dis- played .......................... 477
If you have a flat tire (vehicles without spare tire) ........ 481
If you have a flat tire (vehicles with spare tire) ............. 491
If the hybrid system will not start ............................. 501
If you lose your keys...... 502
If the fuel filler door cannot be opened ......... ...............503
If the electronic key does not operate properly .......... 50
4
If the 12-
volt battery is dis-
charged ....................... 506
If your vehicle overheats 511
6Maintenance and care
7When trouble arises

15Pictorial index
Outside rear view mirrors .................................................P.198
Adjusting the mirror angle ....................................................P.198
Folding the mirrors ...............................................................P.199
Driving position memory
*.....................................................P.178
Defogging the mirrors
*.........................................................P.350
Windshield wipers .............................................. ...............P.254
Precautions against winter season .............................. ........P.343
To prevent freezing (windshield wiper de-icer)
*...................P.350
Precautions against car wash
(Rain-sensing windshield wipers)
*.......................................P.401
Fuel filler door ............................................... .....................P.259
Refueling method ............................................... ..................P.259
Fuel type/fuel tan k capacity .................................................P.520
Tires ....................................................................................P.424
Tire size/inflation pressure ................................... ................P.525
Winter tires/tire chain ........................................ ...................P.343
Checking/rotation/tire pressur e warning system ..................P.424
Coping with flat tires......................................... ............P.481, 491
Hood ....................................................................................P.413
Opening ........................................................ .......................P.413
Engine oil ..................................................... ........................P.521
Coping with overheat ........................................... ................P.511
Warning messages ..............................................................P.477
Headlights/side marke r lights/parking lights ..................P.248
Turn signal lights ...............................................................P.242
Headlights/daytime running lights .............................. .....P.248
Fog lights
*............................................................... ............P.254
Light bulbs of the exterior lights for driving
(Replacing method: P.451, Watts: P.526)
D
E
F
G
H
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J
K

17Pictorial index
Opening/closing the rear side windows ...............................P.201
Warning messages ..............................................................P.477
Back door ...................................................... .....................P.150
Locking/unlocking ................................................................P.151
Opening from inside the cabin
*............................................P.154
Opening from outside........................................... ........P.152, 153
Warning messages ..............................................................P.477
Outside rear view mirrors .................................................P.198
Adjusting the mirror angle ..................................... ...............P.198
Folding the mirrors ...............................................................P.199
Driving position memory
*.....................................................P.178
Defogging the mirrors
*.........................................................P.350
Windshield wipers .............................................. ...............P.254
Precautions against winter season .............................. ........P.343
To prevent freezing (windshield wiper de-icer)
*...................P.350
Precautions against car wash
(Rain-sensing windshield wipers)
*.......................................P.401
Fuel filler door ............................................... .....................P.259
Refueling method ............................................... ..................P.259
Fuel type/fuel tan k capacity .................................................P.520
Tires ....................................................................................P.424
Tire size/inflation pressure ................................... ................P.525
Winter tires/tire chain ........................................ ...................P.343
Checking/rotation/tire pressur e warning system ..................P.424
Coping with flat tires......................................... ............P.481, 491
Hood ....................................................................................P.413
Opening ........................................................ .......................P.413
Engine oil ..................................................... ........................P.521
Coping with overheat ........................................... ................P.511
Warning messages ..............................................................P.477
C
D
E
F
G
H

20Pictorial index
Coping with flat tires.....................................................P.481, 491
Hood ....................................................................................P.413
Opening ........................................................ .......................P.413
Engine oil ..................................................... ........................P.521
Coping with overheat ........................................... ................P.511
Warning messages ..............................................................P.477
Headlights/side marker lights .................................. .........P.248
Turn signal lights ...............................................................P.242
Parking lights
*/daytime running lights.............................P.248
Fog lights
*............................................................... ............P.254
Stop lights/tail lights
*.................................................P.242, 248
Side marker lights
*/tail lights*...........................................P.248
Back-up lights
Shifting the shift lever to R ...................................................P.238
License plate lights........................................... .................P.248
Side turn signal lights
*......................................................P.242
*: If equipped
Light bulbs of the exterior lights for driving
(Replacing method: P .451, Watts: P.526)
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571-2. Child safety
1
For safety and security
1-2.Child safety
Riding with children
Observe the following pre-
cautions when children are
in the vehicle.
Use a child restraint system
appropriate for the child,
until the child becomes
large enough to properly
wear the vehicle’s seat belt.
It is recommended that chil-
dren sit in the rear seats to
avoid accidental contact
with the shift lever, wiper
switch, etc.
 Use the sliding door child-
protector lock or the window
lock switch to avoid children
opening the door while driv-
ing or operating the power
window accidentally.
( P.142, 203)
 Do not let small children
operate equipment which
may catch or pinch body
parts, such as the power
window, hood, back door,
seats, etc.
WARNING
■When children are in the vehi-
cle
Never leave children unattended
in the vehicle, and never allow
children to have or use the key.
Children may be able to start the
vehicle or shift the vehicle into
neutral. There is also a danger
that children ma y injure them-
selves by playing with the side
windows, the moon roof (if
equipped) or other features of the
vehicle. In addition, heat build-up
or extremely cold temperatures
inside the vehicle can be fatal to
children.

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.

1363-2. Opening, closing and locking the doors
vehicle.
Depending on the position of the
electronic key, the key may not be
detected correctly and the door may
be locked.
■Open door warning buzzer
If the vehicle speed reaches 3 mph
(5 km/h), a buzzer sounds to indi-
cate that the door(s) or the hood is
not fully closed.
The open door(s) or hood is dis-
played on the multi-information dis-
play.
■When all the doors are locked
with the entry function, wireless
remote control or key
●The doors cannot be unlocked
with the door lock switch.
●The door lock switch can be reset
by unlocking all the doors with the
entry function, wireless remote
control or key.
The following functions can be
set or canceled:
For instructions on customizing,
refer to P.540.
Automatic door locking
and unlocking systems
FunctionOperation
Speed linked
door locking
function
All doors are
automatically
locked when
vehicle speed is
approximately
12mph (20 km/h)
or higher.
Shift position
linked door lock-
ing function
All doors are
automatically
locked when
shifting the shift
lever to position
other than P.
Shift position
linked door
unlocking func-
tionAll doors are
automatically
unlocked when
shifting the shift
lever to P.
Driver’s door
linked door
unlocking func-
tion
All doors are
automatically
unlocked when
driver’s door is
opened within
approximately 45
seconds after
turning the power
switch off.

2654-5. Using the driving support systems
4
Driving
■If a warning message is displayed on the multi-information display
A system may be temporarily unava ilable or there may be a malfunction in
the system.
●In the following situations, perform the actions specified in t he table. When
the normal operating conditions are detected, the message will disappear
and the system will be come operational.
If the message does not disapp ear, contact your Toyota dealer.
●In the following situations, if the situation has changed (or the vehicle has
been driven for some time) and the normal operating conditions are
detected, the message will disappear and the system will become opera-
tional.
If the message does not disapp ear, contact your Toyota dealer.
• When the temperature around the radar sensor is outside of the opera-
SituationActions
When the area around a sensor is
covered with dirt, moisture (fogged
up, covered with condensation, ice,
etc.), or other foreign matterTo clean the part of the windshield in
front of the front c amera, use the
windshield wipers or the windshield
defogger of the air conditioning sys-
tem ( P.349).
When the temperature around the
front camera is outside of the opera-
tional range, such as when the vehi-
cle is in the sun or in an extremely
cold environment
If the front camera is hot, such as
after the vehicle had been parked in
the sun, use the air conditioning sys-
tem to decrease the temperature
around the front camera.
If a sunshade was used when the
vehicle was parked, depending on its
type, the sunlight reflected from the
surface of the sunshade may cause
the temperature of the front camera
to become excessively high.
If the front camera is cold, such as
after the vehicle is parked in an
extremely cold environment, use the
air conditioning system to increase
the temperature around the front
camera.
The area in front o f the front camera
is obstructed, such as when the
hood is open or a sticker is attached
to the part of the win dshield in front
of the front camera.
Close the hood, rem ove the sticker,
etc. to clear the obstruction.

4136-3. Do-it-yourself maintenance
6
Maintenance and care
1Pull the hood lock release
lever.
The hood will pop up slightly.
2Push the auxiliary catch lever
to the left and lift the hood.
NOTICE
■If you remove th e air cleaner
filter
Driving with the air cleaner filter
removed may cause excessive
engine wear due to dirt in the air.
Hood
Release the lock from the
inside of the vehicle to open
the hood.
Opening the hood