ECU TOYOTA SIENNA 2014 XL30 / 3.G Owner's Manual
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Page 172 of 872

172 1-7. Safety information
SIENNA_OM_OM45483U_(U)
Airbag system componentsFront passenger airbag
Curtain shield airbags
Side airbags
Front passenger occupant
classification system (ECU
and sensors)
Side impact sensors (rear)
Front passenger’s seat belt
buckle switch
SRS warning light
Driver airbag Side impact sensors (front
door)
Driver’s seat belt buckle
switch
Driver’s seat position sen-
sor
Driver’s knee airbag
Front impact sensors
Airbag sensor assembly
“AIR BAG ON” and “AIR
BAG OFF” indicator lights
Seat belt pretensioners
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173
1-7. Safety information
1
Before driving
SIENNA_OM_OM45483U_(U)
Your vehicle is equipped with
ADVANCED AIRBAGS designed based
on the US motor vehicle safety standards (FMVSS208). The airbag
sensor assembly (ECU) controls ai rbag deployment based on infor-
mation obtained from the sensors etc. shown in the system compo-
nents diagram above. This inform ation includes crash severity and
occupant information. As the air bags deploy, a chemical reaction in
the inflators quickly fills the airbags with nontoxic gas to help restrain
the motion of the occupants.
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180 1-7. Safety information
SIENNA_OM_OM45483U_(U)
CAUTION
■SRS airbag precautions
●The SRS front passenger airbag also deploys with considerable force, and
can cause death or serious injury especially if the front passenger 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 in fants 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 be 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.191)
●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 airbag will
judge that the driver and front passen-
ger are wearing the seat belt even
though the seat belt has not been con-
nected. In this case, the SRS front air-
bags may not activate correctly in a
collision, resulting in death or serious
injury in the event of collision. Be sure
to wear the seat belt with the seat belt
extender.
Page 194 of 872

194 1-7. Safety information
SIENNA_OM_OM45483U_(U)
CAUTION
■Child restraint precautions
●Do not use the seat belt extender when installing a child restraint system
on the front or rear passenger seat. If installing a child restraint system
with the seat belt extender connected to the seat belt, the seat belt will not
securely hold the child restraint system, which could cause death or seri-
ous injury to the child or other passengers in the event of a sudden stop,
sudden swerve or an accident.
● Do not allow the child to lean his/her head or any part of his/her body
against the side door or the area of the seat, front and side pillars or roof
side rail from which the SRS side airbags or curtain shield airbags deploy
even if the child is seated in the child restraint system. It is dangerous if
the SRS side airbags and curtain shield airbags inflate, and the impact
could cause death or serious injury to the child.
● Make sure you have complied with all installation instructions provided by
the child restraint manufacturer and that the system is properly secured. If
it is not secured properly, it may cause death or serious injury to the child
in the event of a sudden stop, sudden swerve or an accident.
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195
1-7. Safety information
1
Before driving
SIENNA_OM_OM45483U_(U)
CAUTION
■
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 should be used
to cut the belt.
■ When the child restrain t system is not in use
● Keep the child restraint system properly secured on the seat even if it is
not in use.
Do not store the restraint unsecured in the passenger compartment.
● If it is necessary to detach the child restraint system, remove it from the
vehicle or store it securely in the luggage compartment. This will prevent it
from injuring passengers in the event of a sudden stop, sudden swerve or
an accident.
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196
1-7. Safety information
SIENNA_OM_OM45483U_(U)
Installing child restraints
Follow the child restraint system manufacturer’s instructions. Firmly
secure child restraints to the r ear seats using the LATCH anchors or
a seat belt. Attach the top teth er strap when installing a child
restraint.
The lap/shoulder belt can be used if your child restraint system is
not compatible with the LATCH (Low er Anchors and Tethers for Chil-
dren) system.
■ Using the LATCH anchors
Second seats (8-passenger models) Child restraint LATCH anchors
LATCH anchors are provided
for second outside seats. (But-
tons displaying the location of
the anchors are attached to the
seats.)
Second seats (7-passenger models)Child restraint LATCH anchors
LATCH anchors are provided
for both second seats. (Buttons
displaying the location of the
anchors are attached to the
seats.)
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201
1-7. Safety information
1
Before driving
SIENNA_OM_OM45483U_(U)
Installation with LATCH system (third seat)
Manual seat 1st lock position
11th lock position
Fold the seatback while pulling
the strap. Return the seatback
and secure it at the 1st lock posi-
tion (most upright position).
Adjust the seatback to the 11th
lock position.
Power seat Fold down the seatback by
pressing the folding/returning
switch (P.111). Raise the seat-
back by pressing the same
switch, the returning switch
( P.115) or the seatback angle
adjustment switch ( P.102).
(The seatback will automatically
stop.) Do not touch the switch
while the seatback is moving,
because the operation will stop.
Widen the gap between the seat cushion and seatback
slightly.
STEP1
STEP1
STEP2
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204 1-7. Safety information
SIENNA_OM_OM45483U_(U)While pushing the child restraint
system down into the rear seat,
allow the shoulder belt to retract
until the child restraint system is
securely in place.
After the shoulder belt has
retracted to a point where there is
no slack in the belt, pull the belt to
check that it cannot be extended.
■
Forward facing Convertible seat
Place the child restraint system
on the seat facing the front of the
vehicle.
Run the seat belt through the
child restraint system and insert
the plate into the buckle. Make
sure that the belt is not twisted.
STEP4
STEP1
STEP2
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205
1-7. Safety information
1
Before driving
SIENNA_OM_OM45483U_(U)
Fully extend the shoulder belt
and allow it to retract to put it in
lock mode. In lock mode, the belt
cannot be extended.
While pushing the child restraint
system into the rear seat, allow
the shoulder belt to retract until
the child restraint system is
securely in place.
After the shoulder belt has
retracted to a point where there is
no slack in the belt, pull the belt to
check that it cannot be extended.
If the child restraint has a top te
ther strap, the top tether strap
should be latched onto the top tether strap anchor.
( P. 207, 208)
STEP3
STEP4
STEP5
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207
1-7. Safety information
1
Before driving
SIENNA_OM_OM45483U_(U)
Child restraint systems with a
top tether strap (second seat)
Secure the child restraint system
using the seat belt or LATCH
anchors, and adjust the head
restraint to the uppermost posi-
tion.
*: Ottoman seat only
Latch the hook onto the anchor
bracket and tighten the top tether
strap.
Make sure the top tether strap is
securely latched.
Adjust the head restraint to the
downmost lock position.
STEP1*
STEP2
STEP3