2012 TOYOTA SIENNA height

95
1
Before driving
SIENNA_U (OM45477U)
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
knob (driver’s side only)

96 1-3. Adjustable components (seats, mirrors, steering wheel)
SIENNA_U (OM45477U)
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)

126 1-3. Adjustable components (seats, mirrors, steering wheel)
SIENNA_U (OM45477U)
■Adjusting the height of the head restraints
■ Adjusting the center seat head restraints
Always raise the head restraint one level from the stowed position when
using.
■ Removing the head restraints
Make sure that the head restraints are
adjusted so that the center of the head
restraint is closest to the top of your ears.
Pull the head restraint up while pressing
the lock release button.
The head restraint of third outside seat
can not be removed.

129
1-3. Adjustable components (s
eats, mirrors, steering wheel)
1
Before driving
SIENNA_U (OM45477U)
Third center seat belt
The third center seat belt is a 3-point type restraint with 2 buckles.
Both seat belt buckles must be co rrectly located and securely latched
for proper operation.
Make sure that the buckle is
securely latched for ready use of
the center seat belt.Matches tab “B” with the
hooked end.
Matches tab “A” with the con-
cave end.
■Adjusting the seat belt shoulder anchor height (front and
second outside Tip-up seats)
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.

139
1-3. Adjustable components (s
eats, mirrors, steering wheel)
1
Before driving
SIENNA_U (OM45477U)
Adjusting the height of rear view mirror
Adjust the height of the rear view
mirror by moving it up and down.
■To prevent sensor error (vehicles with auto anti-glare inside rear view
mirror)
CAUTION
■ Caution while driving
Do not adjust the position of the mirror while driving.
Doing so may lead to mishandling of the vehicle and cause an accident,
resulting in death or serious injury.
To ensure that the sensors operate prop-
erly, do not touch or cover them.

339
2-4. Using other
driving systems
2
When driving
SIENNA_U (OM45477U)
■Conditions that may trigger the system even if there is no possibility of
a collision
● When there is an object by the roadside at the entrance to a curve
● When passing an oncoming vehicle on a curve
● When driving over a narrow iron bridge
● When there is a metal object on the road surface
● When driving on an uneven road surface
● When passing an oncoming vehicle on a left-turn
● When your vehicle rapidly closes on the vehicle in front
● When a grade separation/interchange, sign, billboard, or other structure
appears to be directly in the vehicle’s line of travel
● When climbing a steep hill causes an overhead billboard or other metallic
structure to appear directly in the vehicle’s line of travel
● When there is an overhead bridge, sign or billboard ahead
● When there are excessive changes in the vehicle height (when it tilts for-
wards or backwards)
● When there is an abnormality in the radar sensor
● When an overhead metal object can be seen at the top of an uphill road
● When passing through an electronic toll collection gate (only in countries
with electronic toll collection)
When the system is activated in the situations described above, there is also
a possibility that the seat belts will retract quickly and the brakes will be
applied with a force greater than normal. When the seat belt is locked in the
restricted position, stop the vehicle in a safe place, release the seat belt and
refasten it.
■ Obstacles not detected
The sensor cannot detect plastic obstacles such as traffic cones. There may
also be occasions when the radar sensor cannot detect pedestrians, ani-
mals, bicycles, motorcycles, trees, or snowdrifts.

362 2-5. Driving information
SIENNA_U (OM45477U)
Trailer Tongue Weight● A recommended tongue weight varies in accordance with the types
of trailers or towing as described below.
● To ensure the recommended values shown below, the trailer must
be loaded by referring to the following instructions.
• Tongue Weight
The gross trailer weight should be distributed so that the tongue
weight is 9 to 11 %.
(Tongue weight / Gross trailer weight  100 = 9 to 11 %)
Gross trailer weight
Tongue weight
If using a weight distributing hitch when towing, return the front
axle to the same weight as before the trailer connection.
If front axle weight cannot be measured directly, measure the front
fender height above the front axle before connection. Adjust weight
distributing hitch torque until fr ont fender is returned to the same
height as before connection.
The gross trailer weight, gross axle weight and tongue weight can
be measured with platform scales found at a highway weighing sta-
tion, building supply company, trucking company, junk yard, etc.

370 2-5. Driving information
SIENNA_U (OM45477U)
■Matching trailer ball height to trailer coupler height
■ Before towing
Check that the following conditions are met:
● Ensure that your vehicle’s tires are properly inflated. ( P. 794)
● Trailer tires are inflated according to the trailer manufacturer’s recom-
mendation.
● All trailer lights work as required by law.
● All lights work each time you connect them.
● The trailer ball is set at the proper height for the coupler on the trai\
ler.
● The vehicle remains level when a loaded or unloaded trailer is hitched.
Do not drive if the vehicle is not level, and check for improper tongue
weight, overloading, worn suspension, or other possible causes.
● The trailer cargo is securely loaded.
● The rear view mirrors conform to all applicable federal, state/provincial or
local regulations. If they do not, install rear view mirrors appropriate for
towing purposes.
No matter which class of tow hitch
applies, for a safe trailer hookup, the
trailer ball setup on must be proper height
for the coupler on the trailer.
Coupler
Trailer ball