Page 167 of 664

SIENNA_OM_01999-08001_(U)
1673-3. Adjusting the seats
3
Operation of each component
NOTICE
■To prevent damage to the seat
● Avoid putting heavy loads on a folded seat that is being used as a tempo-
rary table.
● Do not sit on or put heavy loads on a second seat that has been removed
from the vehicle. The metal tips of the seat leg may be damaged, prevent-
ing reinstallation of the seat.
● The second seats must be reinstalled in their original positions. If they are
installed in the wrong position, the seat locks or bezels will be damaged.
● Make sure that the path the seat will move through is clear before stowing
or returning the third seat.
● 8-passenger models: Be sure to raise the stowed second center seat
above the outer trim, when removing from the storage box of the luggage
room.
■ Stowing the seat belt
The seat belts and the buckles must be stowed before you fold down the
rear seatbacks.
■ To prevent an ottoman malfunctio n (vehicles with Ottoman seats)
● Do not place any objects in the second passenger footwell that could pre-
vent the operation of the ottoman.
● Do not place heavy luggage on the ottoman.
● Do not place anything under the ottoman when in use. There is a possibil-
ity that something may get caught and cause damage when stowing the
ottoman.
Page 173 of 664
SIENNA_OM_01999-08001_(U)
1733-3. Adjusting the seats
3
Operation of each component
■Removing the head restraints
Front and second outside seats
Second center* and third center seats
Third outside seats
The head restraint cannot be removed. Pull the head restraint up while pressing
the lock release button.
Pull the head restraint up while pressing
the lock release button.
*: 8-passenger models only
Lock release button
Lock release button
Page 175 of 664
SIENNA_OM_01999-08001_(U)
1753-3. Adjusting the seats
3
Operation of each component
WARNING
■Head restraint precautions
Observe the following precautions regarding the head restraints. Failure to
do so may result in death or serious injury.
● Use the head restraints designed for each respective seat.
● Adjust the head restraints to the correct position at all times.
● After adjusting the head restraints, push down on them and make sure
they are locked in position.
● Do not drive with the head restraints removed.
Page 204 of 664
204
SIENNA_OM_01999-08001_(U)
4-1. Before driving
Cargo capacity
Weight of the removed second
seat
If removing the second seats, it is possible to load extra cargo equal
to the weight of the removed seats.
(Cargo capacity) = (Total load capacity) - (Total weight of occupants) +
(Weight of the removed second seats)
Second seats weight:
7-passenger models
Tip-up seat, fabric: 47.2 lb. (20.5 kg)
Tip-up seat, leather: 49.5 lb. (21.5 kg)
Ottoman seat: 74.1 lb. (32.2 kg)
8-passenger models
Right side, fabric: 47.2 lb. (20.5 kg)
Right side, leather: 49.5 lb. (21.5 kg)
Left side, fabric: 97.1 lb. (42.2 kg)
Left side, leather: 100.3 lb. (43.6 kg)
Seating configuration variation
1
2
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464
SIENNA_OM_01999-08001_(U)
7-1. Maintenance and care
WARNING
■Water in the vehicle
● Do not splash or spill liquid in the vehicle.
Doing so may cause electrical components etc. to malfunction or catch
fire.
● Do not get any of the SRS components or wiring in the vehicle interior wet.
(P. 38)
An electrical malfunction may cause the airbags to deploy or not function
properly, resulting in death or serious injury.
■ Cleaning the interior (especially instrument panel)
Do not use polish wax or polish cleaner. The instrument panel may reflect
off the windshield, obstructing the driver’s view and leading to an accident,
resulting in death or serious injury.
NOTICE
■Cleaning detergents
● Do not use the following types of detergent, as they may discolor the vehi-
cle interior or cause streaks or damage to painted surfaces:
• Non-seat portions: Organic substances such as benzene or gasoline,
alkaline or acidic solutions, dye, and bleach
• Seats: Alkaline or acidic solutions, such as thinner, benzene, and alco- hol
● Do not use polish wax or polish cleaner. The instrument panel’s or other
interior part’s painted surface may be damaged.
■ Preventing damage to leather surfaces
Observe the following precautions to avoid damage to and deterioration of
leather surfaces.
● Remove any dust or dirt from leather surfaces immediately.
● Do not expose the vehicle to direct sunlight for extended periods of time.
Park the vehicle in the shade, especially during summer.
● Do not place items made of vinyl, plastic, or containing wax on the uphol-
stery, as they may stick to the leather surface if the vehicle interior heats
up significantly.
Page 651 of 664

651Alphabetical index
SIENNA_OM_01999-08001_(U)
CareAluminum wheels.................. 461
Exterior ................................. 460
Interior................................... 463
Seat belts .............................. 463
Cargo capacity ......................... 207
Cargo hooks............................. 433
CD player
*................................ 337
Chains....................................... 312
Child restraint system ............... 56 Booster seats, definition ......... 57
Booster seats, installation ....... 68
Convertible seats, definition ............................... 57
Convertible seats, installation ............................ 66
Front passenger occupant
classification syst em............. 50
Infant seats, definition ............. 56
Infant seats, installation .......... 60
Installing CRS with LATCH anchors .............. 62, 64
Installing CRS with
seat belts .............................. 66
Installing CRS with top tether strap ............... 69, 70 Child safety ................................ 55
Airbag precautions.................. 39
Back door precautions .......... 138
Battery precautions........ 486,586
Child restraint system ............. 56
How your child should wear
the seat belt.......................... 32
Installing child restraints ......... 60
Moon roof precautions .......... 190
Power window lock switch .... 183
Power window precautions ... 185
Removed key battery
precautions......................... 505
Seat belt extender
precautions........................... 35
Seat belt precautions .............. 34
Seat heater precautions ....... 416
Sliding door child-protectors................... 125
Child-protectors ...................... 125
Cleaning
Aluminum wheels ................. 461
Exterior ................................. 460
Interior .................................. 463
Seat belts.............................. 463
Clock......................................... 436
Compass .................................. 449
Condenser................................ 483
Console box ............................. 424
Conversation mirror ................ 436
Cooling system........................ 481 Engine overheating............... 587
Cruise control
Cruise control ...................... 257
Dynamic radar cruise control ................................ 261
Cup holders ............................. 426
Curtain shield airbags............... 36
Customizable features ............ 617
C
*: Refer to “NAVIGATION AND MULTIMEDIA
SYSTEM OWNER’S MANUAL”