seats TOYOTA SIENNA 2018 Owners Manual (in English)

TABLE OF CONTENTS2
SIENNA_OM_OM08019U_(U)For your information....................... 8
Reading this manual .................... 12
How to search .............................. 13
Pictorial index .............................. 14
1-1. For safe use
Before driving ...................... 26
For safe driving ................... 28
Seat belts ............................ 30
SRS airbags ........................ 38
Front passenger occupant classification system ......... 52
Safety information for children ........................ 57
Child restraint systems ........ 58
Installing child restraints ...... 62
Exhaust gas precautions ..... 76
1-2. Theft deterrent system Engine immobilizer system............................... 77
Alarm ................................... 79 2. Instrument cluster
Warning lights and indicators ........................... 84
Gauges and meters ............. 89
Multi-information display ...... 92
Fuel consumption information......................... 99
3-1. Key information Keys................................... 104
3-2. Opening, closing and locking the doors
Front doors ........................ 110
Sliding doors ...................... 121
Back door .......................... 133
Smart key system .............. 143
3-3. Adjusting the seats Front seats......................... 149
Rear seats ......................... 152
Driving position memory .... 169
Head restraints .................. 173
1For safety and security
2Instrument cluster
3Operation of each
component

23Pictorial index
SIENNA_OM_OM08019U_(U)SRS airbags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 38
Floor mats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 26
Front seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 149
Second seats . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . P. 152
Third seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 152
Head restraints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 173
Seat belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 30
Console box
*1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 352
Quarter windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 187
Cup holders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 354
Bottle holders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 356
Door pockets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 357
Rear automatic air conditioning system . . . . . . . . . . . . . . . P. 341
Rear seat entertainment system
*1, 2
Rear side sunshades*1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 37 2
*1: If equipped
*2: Refer to “NAVIGATION AND MULTIMEDIA SYSTEM
OWNER’S MANUAL”.
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291-1. For safe use
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1
For safety and security
WARNING
Observe the following precautions.
Failure to do so may result in death or serious injury.
●Do not adjust the position of the driver’s seat while driving.
Doing so could cause the driver to lose control of the vehicle.
● Do not place a cushion between the driver or passenger and the seatback.
A cushion may prevent correct posture from being achieved, and reduce
the effectiveness of the seat belt and head restraint.
● Do not place anything under the front seats.
Objects placed under the front seats may become jammed in the s eat
tracks and stop the seat from locking in place. This may lead t o an acci-
dent and the adjustment mechanism may also be damaged.
● Always observe the legal speed limit when driving on public roads.
● When driving over long distances, take regular breaks before yo u start to
feel tired.
Also, if you feel tired or sleepy while driving, do not force y ourself to con-
tinue driving and take a break immediately.

331-1. For safe use
SIENNA_OM_OM08019U_(U)
1
For safety and security
Push the seat belt shoulder
anchor down while pressing the
release button.
Push the seat belt shoulder
anchor up.
Move the height adjuster up and
down as needed until you hear a
click.
The pretensioners help the seat
belt to quickly restrain the occu-
pant by retracting the seat belt
when the vehicle is subjected to
certain types of severe frontal or
side collision or a vehicle rollover.
The pretensioners do not activate
in the event of a minor frontal
impact, a side impact or a rear
impact.
Adjusting the seat belt shoulder anchor height (front and second
outside Tip-up seats)
Release button
1
2
Seat belt pretensioners (front seats)

351-1. For safe use
SIENNA_OM_OM08019U_(U)
1
For safety and security
WARNING
Observe the following precautions to reduce the risk of injury in the event of
sudden braking, sudden swerving or an accident.
Failing to do so may cause death or severe injury.
■ Wearing a seat belt
● Ensure that all passengers wear a seat belt.
● Always wear a seat belt properly.
● Each seat belt should be used by one person only. Do not use a seat belt
for more than one person at once, including children.
● Toyota recommends that children be seated in the rear seat and always
use a seat belt and/or an appropriate child restraint system.
● To achieve a proper seating position, do not recline the seat m ore than
necessary. The seat belt is most effective when the occupants a re sitting
up straight and well back in the seats.
● Do not wear the shoulder belt under your arm.
● Always wear your seat belt low and snug across your hips.
● Always wear the belt with the shoulder portion over the outside armrest
and the lap portion under the outside armrest.
■ Pregnant women
■ People suffering illness
Obtain medical advice and wear the seat belt in the proper way. (P. 30)
Obtain medical advice and wear the seat
belt in the proper way. ( P. 30)
Women who are pregnant should posi-
tion the lap belt as low as possible over
the hips in the same manner as other
occupants, extending the shoulder belt
completely over the shoulder and avoid-
ing belt contact with the rounding of the
abdominal area.
If the seat belt is not worn properly, not
only a pregnant woman, but also the
fetus could suffer death or serious injury
as a result of sudden braking or a colli-
sion.

361-1. For safe use
SIENNA_OM_OM08019U_(U)
WARNING
■When children are in the vehicle
Do not allow children to play with the seat belt. If the seat belt becomes
twisted around a child’s neck, it may lead to choking or other serious injuries
that could result in death.
If this occurs and the buckle cannot be unfastened, scissors sh ould be used
to cut the belt.
■ Seat belt pretensi oners (front seats)
● Do not place anything, such as a cushion, on the front passenger’s seat.
Doing so will disperse the passenger’s weight, which prevents t he sensor
from detecting the passenger’s weight properly. As a result, th e seat belt
pretensioner for the front passenger’s seat may not activate in the event of
a collision.
● If the pretensioner has activated, the SRS warning light will c ome on. In
that case, the seat belt cannot be used again and must be replaced at
your Toyota dealer.
■ Adjustable shoulder anchor (front and second outside Tip-up sea ts)
Always make sure the shoulder belt is positioned across the cen ter of your
shoulder. The belt should be kept away from your neck, but not falling off
your shoulder. Failure to do so could reduce the amount of prot ection in an
accident and cause death or serious injuries in the event of a sudden stop,
sudden swerve or accident. ( P. 33)
■ Seat belt damage and wear
● Do not damage the seat belts by allowing the belt, plate, or bu ckle to be
jammed in the door.
● Inspect the seat belt system periodically. Check for cuts, fray ing, and loose
parts. Do not use a damaged seat belt until it is replaced. Dam aged seat
belts cannot protect an occupant from death or serious injury.
● Ensure that the belt and plate are locked and the belt is not twisted.
If the seat belt does not function correctly, immediately conta ct your Toyota
dealer.
● Replace the seat assembly, including the belts, if your vehicle has been
involved in a serious accident, even if there is no obvious dam age.
● Do not attempt to install, remove, modify, disassemble or dispo se of the
seat belts. Have any necessary repairs carried out by your Toyota dealer.
Inappropriate handling may lead to incorrect operation.

391-1. For safe use
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For safety and security
◆SRS side and curtain shield airbags
SRS side airbags
Can help protect the torsos of the front seat occupants
SRS curtain sh ield airbags
● Can help protect primarily the heads of occupants in the outer
seats
● Can prevent the occupan ts from being thrown from the vehicle
in the event of ve hicle rollover
4
5

421-1. For safe use
SIENNA_OM_OM08019U_(U)
WARNING
■SRS airbag precautions
● The SRS front passenger airbag also deploys with considerable f orce, and
can cause death or serious injury especially if the front passe nger is very
close to the airbag. The front passenger seat should be as far from the air-
bag as possible with the seatback adjusted, so the front passenger sits
upright.
● Improperly seated and/or restrained infants and children can be killed or
seriously injured by a deploying airbag. An infant or child who is too small
to use a seat belt should be properly secured using a child restraint sys-
tem. Toyota strongly recommends that all infants and children b e placed in
the rear seats of the vehicle and properly restrained. The rear seats are
safer for infants and children than the front passenger seat. ( P. 58)
●If the seat belt extender has been con-
nected to the front seat belt buckles but
the seat belt extender has not also been
fastened to the latch plate of the seat
belt, the SRS front airbags will judge
that the driver and front passenger are
wearing the seat belt even though the
seat belt has not been connected. In
this case, the SRS front airbags may
not activate correctly in a collision,
resulting in death or serious injury in the
event of a collision. Be sure to wear the
seat belt with the seat belt extender.

461-1. For safe use
SIENNA_OM_OM08019U_(U)
WARNING
■Modification and disposal of SRS airbag system components
Do not dispose of your vehicle or perform any of the following modifications
without consulting your Toyota dealer.
The SRS airbags may malfunction or deploy (inflate) accidentall y, c a u s i n g
death or serious injury.
● Installation, removal, disassembly and repair of the SRS airbag s
● Repairs, modifications, removal or replacement of the steering wheel,
instrument panel, dashboard, seats or seat upholstery, front, s ide and rear
pillars or roof side rails
● Repairs or modifications of the front fender, front bumper, or side of the
occupant compartment
● Installation of a grille guard (bull bars, kangaroo bar, etc.), snow plows,
winches or roof luggage carrier
● Modifications to the vehicle’s suspension system
● Installation of electronic devices such as mobile two-way radio s and CD
players
● Modifications to your vehicle for a person with a physical disa bility

471-1. For safe use
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For safety and security
■If the SRS airbags deploy (inflate)
●Slight abrasions, burns, bruising etc., may be sustained from S RS airbags,
due to the extremely high speed deployment (inflation) by hot g ases.
● Bruising and slight abrasions may result from contact with a de ploying
(inflating) SRS airbag.
● A loud noise and white powder will be emitted.
● Parts of the airbag module (steering wheel hub, airbag cover an d inflator) as
well as the front seats, parts of the front and rear pillars, a nd roof side rail,
may be hot for several minutes. The airbag itself may also be h ot.
● The windshield may crack.
● For Safety Connect subscribers, if the SRS airbags deploy or in the event of
a severe rear-end collision, the system is designed to send an emergency
call to the response center, notifying them of the vehicle’s location (without
needing to push the “SOS” button) and an agent will attempt to speak with
the occupants to ascertain the level of emergency and assistanc e required.
If the occupants are unable to communicate, the agent automatic ally treats
the call as an emergency and helps to dispatch the necessary em ergency
services. ( P. 385)
■ SRS airbag deployment condi tions (SRS front airbags)
● The SRS front airbags will deploy in the event of an impact tha t exceeds the
set threshold level (the level of force corresponding to an approximately 12 -
18 mph [20 - 30 km/h] frontal collision with a fixed wall that does not move or
deform).
However, this threshold velocity will be considerably higher in the following
situations:
• If the vehicle strikes an object, such as a parked vehicle or sign pole,
which can move or deform on impact
• If the vehicle is involved in an underride collision, such as a collision in
which the front of the vehicle “underrides”, or goes under, the bed of a
truck
● Depending on the type of collision, it is possible that only th e seat belt pre-
tensioners will activate.
● The SRS front airbags for the front passenger will not activate if there is no
passenger sitting in the front passenger seat. However, the SRS front air-
bags for the front passenger may deploy if luggage is put in the seat, even if
the seat is unoccupied. ( P. 52)
● The SRS seat cushion airbag on the front passenger’s seat will not operate
if the occupant is not wearing a seat belt.