Page 2 of 872

TABLE OF CONTENTSIndex
2
SIENNA_OM_OM45483U_(U)
1-1. Key informationKeys ..................................... 32
1-2. Opening, closing and locking the doors
Smart key system................. 36
Wireless remote control ....... 53
Front doors ........................... 60
Sliding doors ........................ 67
Back door ............................. 82
1-3. Adjustable components (seats, mirrors, steering
wheel)
Front seats ........................... 95
Rear seats .......................... 100
Driving position memory..... 121
Head restraints ................... 126
Seat belts ........................... 129
Steering wheel ................... 138
Inside rear view mirror........ 139
Outside rear view mirrors .............................. 141 1-4. Opening and closing the
windows and moon roof
Power windows................... 145
Quarter windows................. 149
Moon roof ........................... 151
1-5. Refueling Opening the fuel tank cap .................................... 156
1-6. Theft deterrent system Engine immobilizer system .............................. 160
Alarm .................................. 163
Theft prevention labels (for U.S.A.) ....................... 167
1-7. Safety information Correct driving posture ....... 168
SRS airbags ....................... 170
Front passenger occupant classification system ......... 185
Child restraint systems ....... 191
Installing child restraints ..... 196
1Before driving
Page 31 of 872

Before driving1
31
SIENNA_OM_OM45483U_(U)
1-1. Key informationKeys ................................... 32
1-2. Opening, closing and locking the doors
Smart key system .............. 36
Wireless remote control ..... 53
Front doors......................... 60
Sliding doors ...................... 67
Back door ........................... 82
1-3. Adjustable components (seats, mirrors, steering
wheel)
Front seats ......................... 95
Rear seats........................ 100
Driving position memory .......................... 121
Head restraints................. 126
Seat belts ......................... 129
Steering wheel ................. 138
Inside rear view mirror ..... 139
Outside rear view mirrors............................ 141 1-4. Opening and closing the
windows and moon roof
Power windows ................ 145
Quarter windows .............. 149
Moon roof ......................... 151
1-5. Refueling Opening the fuel tank cap ................................. 156
1-6. Theft deterrent system Engine immobilizer system ........................... 160
Alarm................................ 163
Theft prevention labels (for U.S.A.) ..................... 167
1-7. Safety information Correct driving posture..... 168
SRS airbags ..................... 170
Front passenger occupant classification system ...... 185
Child restraint systems..... 191
Installing child restraints... 196
Page 96 of 872
96 1-3. Adjustable components (seats, mirrors, steering wheel)
SIENNA_OM_OM45483U_(U)
Power seat
Seat position adjustment
switch
Seatback angle adjustment
switch
Seat cushion (front) angle
adjustment switch (driver’s
side only)
Vertical height adjustment
switch (driver’s side only)
Lumbar support adjustment
switch (driver’s side only)
Page 97 of 872
97
1-3. Adjustable components (s
eats, mirrors, steering wheel)
1
Before driving
SIENNA_OM_OM45483U_(U)
Power easy access system (vehicles with driving position
memory)
When the driver enters and exits t he vehicle, the driver’s seat will
automatically perform the following operations:
Exiting the vehicle: When all of
the following actions have been
performed, the seat will move
backward (auto away function):
• The shift lever has been shifted toP
• Vehicles without a smart key sys- tem: The engine switch has been
turned off.
Vehicles with a smart key system:
The “ENGINE START STOP”
switch has been turned off.
• The driver seat belt has been unfastened
Page 102 of 872
102 1-3. Adjustable components (seats, mirrors, steering wheel)
SIENNA_OM_OM45483U_(U)
■Third seats
Manual seat Seatback angle adjustment
strap
Power seat Seatback angle adjustment
switch
Page 111 of 872
111
1-3. Adjustable components (s
eats, mirrors, steering wheel)
1
Before driving
SIENNA_OM_OM45483U_(U)
Folding down the third seats (power seats)
You can operate the power third seats when the shift lever is in P.
■ Before folding the third seats
Lower the center head restraints
to the lowest position and stow
the seat belt buckles.
Stow the center seat belt. ( P. 131)
■ Folding down the third seatbacks
Press the folding/returning
switch.
■ Returning the third seatbacks
Press the folding/returning switch, returning switch (P. 11 5 ) o r
seatback angle adjustment switch ( P. 102).
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STEP1
STEP2
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Page 114 of 872
114 1-3. Adjustable components (seats, mirrors, steering wheel)
SIENNA_OM_OM45483U_(U)
Stowing the third seats (power seats)
You can operate the power third seats when the shift lever is in P.
Before stowing or returning third seat, remove any items from the
floor area to prevent interference with moving parts.
■ Before stowing the third seats
Lower the center head restraints
to the lowest position and stow
the seat belt buckles.
Stow the center seat belt. ( P. 131)
■ Stowing the third seats
Press and hold the stowing
switch.
A beep sounds twice to indicate
the start of the operation. The
beep sounds again twice when
the operation is completed.
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STEP1
STEP2
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STEP1
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116 1-3. Adjustable components (seats, mirrors, steering wheel)
SIENNA_OM_OM45483U_(U)
■Power third seat
●If the indicator light above the switches flashes three times when the fold-
ing/returning switch is pressed, the folding operation will not start. Make
sure the shift lever is in P.
● If any of the following conditions occur while the seat is operating, the
seat operation will stop. The indicator light above the switches will flash
three times and a beep will sound for about 10 seconds:
• An object is caught between the seatback and seat cushion.
• The stowing switch is released.
• Other power third seat switch is pushed while operating the stowing
switch.
• The shift lever is moved from P when the engine switch is turned to the “ON” position (vehicles without a smart key system) or the “ENGINE
START STOP” switch is in IGNITION ON mode (vehicles with a smart
key system).
If the engine is started during operating, the seat operation may also be
stopped.
To continue the folding operation, the seatback must be returned to its
original position first.
■ AUTO ACCESS SEAT (if equipped)
The AUTO ACCESS SEAT cannot be removed.
■ “3RD SEAT” warning light ( vehicles with power third seat)
The warning light comes on if the third
seat operation is not yet complete when
the engine switch is turned to the “ON”
position (vehicles without a smart key
system) or the “ENGINE START STOP”
switch is in IGNITION ON mode (vehicles
with a smart key system).
ITN13N059