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 10 of 872
SIENNA_OM_OM45483U_(U)
10
A
InteriorPictorial index
Power window switches P. 145
Seat belts P. 129
SRS front passengerairbag
P. 170
SRS driver airbag P. 170
Head restraints P. 126
Floor mat P. 622
Glove boxes P. 589
Sunshades P. 619
Auxiliary boxes
P. 601
Second seats P. 100
Third seats P. 100
Cup holders P. 595
Quarter windows
P. 149
Armrests P. 616
SRS side airbags P. 170
Front seats P. 95
Bottle holders
Door pockets P. 598
P. 600
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 68 of 872
68 1-2. Opening, closing and locking the doors
SIENNA_OM_OM45483U_(U)
■Inside lock knobs
Unlocks
Locks
■ Power sliding door switches (v ehicles with power sliding
doors)
From front seats Press and hold the switch to
open and close the following
door.
The right side sliding door
The left side sliding door
Pressing and holding the
switch again while the door is
operating will cause the opera-
tion to reverse. However, the
reverse operation cannot be
performed for the first second
after automatic operation
starts, even if the switch is
pressed and held again.
Page 69 of 872
69
1-2. Opening, closing and locking the doors
1
Before driving
SIENNA_OM_OM45483U_(U)
From second seats
Press and hold the switch to
open and close each sliding
door.
Pressing and holding the
switch again while the door is
operating will cause the opera-
tion to reverse. However, the
reverse operation cannot be
performed for the first second
after automatic operation
starts, even if the switch is
pressed and held again.
Page 95 of 872
95
1
Before driving
SIENNA_OM_OM45483U_(U)
1-3. Adjustable components (seats, mirrors, steering wheel)
Front seats
Manual seat
Seat position adjustment
lever
Seatback angle adjustment
lever
Vertical height adjustment
lever (driver’s side only)
Lumbar support adjustment
switch (driver’s side only)*
*: if equipped
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 98 of 872
98 1-3. Adjustable components (seats, mirrors, steering wheel)
SIENNA_OM_OM45483U_(U) Entering the vehicle: When
either of the following actions
has been performed, the seat
will move forward (auto return
function):
• Vehicles without a smart key sys-
tem: The engine switch has been
turned to the “ACC” position.
Vehicles with a smart key system:
The “ENGINE START STOP”
switch has been turned to
ACCESSORY mode.
• The driver seat belt has been fas-
tened
Active head restraints
When the occupant’s lower back
presses against the seatback
during a rear-end collision, the
head restraint moves slightly for-
ward and upward to help reduce
the risk of whiplash on the seat
occupant.
ITN13N065
■The auto away function for exiting th e driver seat (vehicles with driving
position memory)
If the seat is already close to the rearmost position, the auto away function
may not operate when the driver exits the vehicle.