2012 TOYOTA SIENNA battery

74 1-2. Opening, closing and locking the doors
SIENNA_U (OM45477U)
■If the power sliding door is inop erative (vehicles with power sliding
doors)
When the power sliding door detects an abnormality and stops opening and
can not be completely closed manually, cancel the function as follows and
close the door manually.
After that, have the vehicle inspected and repaired by your Toyota dealer.
■ When the battery is disconnected ( vehicles with power sliding doors)
The power sliding door system must be initialized in order to ensure proper
operation. To initialize it, close the sliding doors completely by hand.
■ Customization that can be co nfigured at Toyota dealer
Settings (e.g. opening and closing operation) can be changed.
(Customizable features: P. 815)
Remove the plug from the rear edge of
the sliding door.
Insert a key in the hole and push the
mechanical cancel lever.STEP1
STEP2

79
1-2. Opening, closing and locking the doors
1
Before driving
SIENNA_U (OM45477U)
CAUTION
●
If the power sliding door system is turned off with the main switch while the
sliding door is operating automatically, the automatic operation is stopped.
The sliding door then has to be operated manually. Take extra care when
on an incline, as the sliding door may open or close unexpectedly.
● On an incline, a sliding door may close by itself after it opens automati-
cally. Make sure the sliding door is fully open and secure.
● If the operating conditions of the power sliding door are no longer met, a
buzzer may sound and the sliding door may stop opening or closing. The
sliding door then has to be operated manually. Take extra care when on an
incline, as the sliding door may open or close abruptly.
● In the following situations, the power sliding door may detect an abnormal-
ity and automatic operation may be stopped. In this case, the sliding door
has to be operated manually. Take extra care when on an incline, as the
sliding door may open or close abruptly.
• When the sliding door contacts an obstacle
• Vehicles without a smart key system:
When the battery voltage suddenly drops, such as when the engine
switch is turned to the “ON” position or the engine is started during
automatic operation
Vehicles with a smart key system:
When the battery voltage suddenly drops, such as when the “ENGINE
START STOP” switch is turned to IGNITION ON mode or the engine is
started during automatic operation

87
1-2. Opening, closing and locking the doors
1
Before driving
SIENNA_U (OM45477U)
■
The power back door can be operated when
● The shift lever is in P.
● The back door is unlocked.
■ Jam protection function (vehicles with power back door)
● If anything obstructs the power back door while it is closing or opening,
the back door will automatically operate in the opposite direction.
● If the jam protection function operates during two consecutive closing
operations, the back door will be stopped at that position.
■ Back door closer (vehicl es with power back door)
In the event that the back door is left slightly open, the back door closer will
automatically close it to the fully closed position.
■ When the battery is disconnected
● The back door will be automatically locked after the battery is recon-
nected.
● The power back door (if equipped) must be initialized in order to ensure
proper operation.
Unlock the back door with the wireless remote control or door lock
switch.
Close the back door completely by hand.
STEP1
STEP2

92 1-2. Opening, closing and locking the doors
SIENNA_U (OM45477U)
CAUTION
●In the following situations, the power back door may detect an abnormali\
ty
and automatic operation may be stopped. In this case, the back door has
to be operated manually. Take extra care when on an incline, as the back
door may open or close abruptly.
• When the back door contacts an obstacle
• Vehicles without a smart key system:
When the battery voltage suddenly drops, such as when the engine
switch is turned to the “ON” position or the engine is started during
automatic operation
Vehicles with a smart key system:
When the battery voltage suddenly drops, such as when the “ENGINE
START STOP” switch is turned to the IGNITION ON mode or the
engine is started during automatic operation
● If a bicycle carrier or similar heavy object is attached to the back door, the
power back door may not operate, causing itself to malfunction, or the
back door may fall closed again after being opened, causing someone’s
hands, head or neck to be caught and injured. When installing an acces-
sory part to the back door, using a genuine Toyota part is recommended.

164 1-6. Theft deterrent system
SIENNA_U (OM45477U)
■Triggering of the alarm
The alarm may be triggered in the following situations.
(Stopping the alarm deactivates the alarm system.)
■ Alarm-operated door lock
● When the alarm is operating, the door s are locked automatically to pre-
vent intruders.
● Do not leave the key inside the vehicle when the alarm is operating, and
make sure the key is not inside the vehicle when recharging or replacing
the battery.
NOTICE
■To ensure the system operates correctly
Do not modify or remove the system. If modified or removed, the proper
operation of the system cannot be guaranteed.
● A person inside the vehicle opens a
door or hood.
● The battery is recharged or replaced
when the vehicle is locked.

228 2-1. Driving procedures
SIENNA_U (OM45477U)
CAUTION
■When starting the engine
Always start the engine while sitting in the driver’s seat. Do not depress the
accelerator pedal while starting the engine under any circumstances.
Doing so may cause an accident resulting in death or serious injury.
■ Caution when driving
Do not turn the engine switch to the “LOCK” position while driving. If, in an
emergency, you must turn the engine off while the vehicle is moving, turn the
engine switch only to the “ACC” position to stop the engine. An accident may
result if the engine is stopped while driving.
NOTICE
■To prevent battery discharge
Do not leave the engine switch in the “ACC” or “ON” position for long periods
of time without the engine running.
■ When starting the engine
● Do not crank the engine for more than 30 seconds at a time. This may
overheat the starter and wiring system.
● Do not race a cold engine.
● If the engine becomes difficult to start or stalls frequently, have the engine
checked immediately.

232 2-1. Driving procedures
SIENNA_U (OM45477U)
When stopping the engine with the shift lever in a position other
than PIf the engine is stopped with the sh ift lever in a position other than P,
the “ENGINE START STOP” switch will not be turned off but instead
be turned to ACCESSORY mode. Perform the following procedure to
turn the switch off:
Check that the parking brake is set.
Shift the shift lever to P.
Check that the indicator on the “ENGINE START STOP”
switch is illuminated in amber and then press the “ENGINE
START STOP” switch once.
Check that the indicator on the “ENGINE START STOP”
switch is off.
■Auto power off function
If the vehicle is left in ACCESSORY or IGNITION ON mode (the engine is
not running) for more than an hour with the shift lever in P, the “ENGINE
START STOP” switch will automatically turn off. However, this function can-
not entirely prevent battery discharge. Do not leave the vehicle with the
“ENGINE START STOP” switch in ACCESSORY or IGNITION ON mode for
long periods of time when the engine is not running.
■ Operation of the “ENG INE START STOP” switch
When operating the “ENGINE START STOP” switch, one short, firm press is
enough. If the switch is pressed improperly, the engine may not start or the
“ENGINE START STOP” switch mode may not change. It is not necessary to
press and hold the switch.
STEP1
STEP2
STEP3
STEP4

233
2-1. Driving procedures
2
When driving
SIENNA_U (OM45477U)
■
Electronic key battery depletion
 P. 5 0
■ Conditions aff ecting operation
 P. 4 6
■ Note for the entry function
 P. 4 7
■ If the engine does not start
The engine immobilizer system may not have been deactivated. ( P. 159)
■ Steering lock
After turning the “ENGINE START STOP” switch off and opening and closing
the doors, the steering wheel will be locked due to the steering lock function.
Operating the “ENGINE START STOP” switch again automatically cancels
the steering lock.
■ When the steering lock cannot be released
■ Steering lock motor overheating prevention
To prevent the steering lock motor from overheating, the motor may be sus-
pended if the engine is turned on and off repeatedly in a short period of time.
In this case, refrain from operating the engine. After about 10 seconds, the
steering lock motor will resume functioning.
The green indicator light on the “ENGINE
START STOP” switch will flash and a
message will be shown on the multi-infor-
mation display. Press the “ENGINE
START STOP” switch while turning the
steering wheel left and right.