2013 TOYOTA SIENNA engine

774 5-2. Steps to take in an emergency
SIENNA_OM_OM45472U_(U)
CAUTION
■Speed limit when using the compact spare tire
Do not drive at speeds in excess of 50 mph (80 km/h) when a compact
spare tire is installed on the vehicle.
The compact spare tire is not designed for driving at high speeds. Failure
to observe this precaution may lead to an accident causing death or seri-
ous injury.
■Using the tire jack
Improper use of the tire jack may cause the vehicle to suddenly fall off
the jack, leading to death or serious injury.
●Do not use the tire jack for any pu rpose other than replacing tires or
installing and removing tire chains.
●Only use the tire jack that comes with this vehicle for replacing a flat
tire. Do not use it on other vehicles, and do not use other tire jacks for
replacing tires on this vehicle.
●Always check that the tire jack is securely set to the jack point.
●Do not put any part of your body under the vehicle while it is supported
by the jack.
●Do not start or run the engine while your vehicle is supported by the
jack.
●Do not raise the vehicle while someone is inside.
●When raising the vehicle, do not put an object on or under the jack.
●Do not raise the vehicle to a hei ght greater than that required to
replace the tire.
●Use a jack stand if it is necessary to get under the vehicle.
Take particular care when lowering the vehicle to ensure that no one
working on or near the vehicle may be injured.

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5-2. Steps to take in an emergency
SIENNA_OM_OM45472U_(U)
If the engine will not star t
If the engine will not start even though correct starting procedures
are being followed ( P. 226, 229), consider each of the following
points:
■ The engine will not start even though the starter motor
operates normally.
One of the following may be the cause of the problem:
●There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
● The engine may be flooded.
Try to restart the engine again following correct starting proce-
dures. ( P. 226, 229)
● There may be a malfunction in the engine immobilizer system
(if equipped). ( P. 159)
■ The starter motor turns over slowly, the interior lights and
headlights are dim, or the horn does not sound or sounds at
a low volume.
One of the following may be the cause of the problem:
●The battery may be discharged. ( P. 786)
● The battery terminal connec tions may be loose or corroded.
■ The starter motor does not turn over.
The engine starting system may be malfunctioning due to an
electrical problem such as an open circuit or a blown fuse. How-
ever, an interim measure is available to start the engine.

5
When trouble arises
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5-2. Steps to take in an emergency
SIENNA_OM_OM45472U_(U)
Emergency start function (vehicles with a smart key system)
When the engine does not start, the following steps can be used as
an interim measure to start the engine if the “ENGINE START STOP”
switch is functioning normally: Set the parking brake.
Shift the shift lever to P.
Turn the “ENGINE START STOP” switch to ACCESSORY
mode.
Press and hold the “ENGINE START STOP” switch for about
15 seconds while depressing the brake pedal firmly.
Even if the engine can be start ed using the above steps, the system
may be malfunctioning. Have the vehicle inspected by your Toyota
dealer.
■ The starter motor does not turn over, the interior lights and
headlights do not turn on, or the horn does not sound.
One of the following may be the cause of the problem:
● One or both of the battery terminals may be disconnected.
● The battery may be discharged. ( P. 786)
● There may be a malfunction in the steering lock system (vehi-
cle with a smart key system).
Contact your Toyota dealer if the problem cannot be repaired, or if
repair procedures are unknown.
STEP1
STEP2
STEP3
STEP4

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5-2. Steps to take in an emergency
SIENNA_OM_OM45472U_(U)
If the shift lever cannot be shifted from P
If the shift lever cannot be shifted with your foot on the brake pedal,
there may be a problem with the shift lock system (a system to pre-
vent accidental operation of the shift lever). Have the vehicle
inspected by your Toyo ta dealer immediately.
The following steps may be used as an emergency measure to
ensure that the shift lever can be shifted:
Set the parking brake.
Vehicles without a smart ke y system: Turn the engine
switch to the “ACC” position.
Vehicles with a smart key system: Turn the “ENGINE
START STOP” switch to ACCESSORY mode.
Depress the brake pedal.
Pry the cover up with a flat-
head screwdriver or equiva-
lent tool.
Press the shift lock override
button.
The shift lever can be shifted
while the button is pressed.
STEP1
STEP2
STEP3
STEP4
STEP5

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When trouble arises
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5-2. Steps to take in an emergency
SIENNA_OM_OM45472U_(U)
If the electronic key does not operate properly
Locking and unlocking the doors and key linked functions
Using the mechanical key
( P. 33) in order to perform
the following operations.
Locks all doors
Unlocks all doors
Turning the key rearward unlocks
the driver’s door. Turning the key
once again within 3 seconds
unlocks the other doors.
: If equipped
For vehicles with a smart key system : If communication between the
electronic key and vehic le is interrupted (P. 36) or the electronic
key cannot be used because the batt ery is depleted, the smart key
system and wireless remote contro l cannot be used. In such cases,
the doors can be opened or the engine can be started by following
the procedure below.

784 5-2. Steps to take in an emergency
SIENNA_OM_OM45472U_(U)
Starting the engineShift the shift lever to P and apply the brakes. Touch the Toyota emblem side of
the electronic key to the
“ENGINE START STOP” switch.
An alarm will sound to indicate
that the start function cannot
detect the electronic key that is
touched to the “ENGINE START
STOP” switch if any of the doors
is opened and closed while the
key is touched to the switch.
Press the “ENGINE START STOP” switch within 10 seconds
after the buzzer sounds, keepin g the brake pedal depressed.
In the event that the “ENGINE START STOP” switch cannot be oper-
ated, contact your Toyota dealer.
STEP1
STEP2
STEP3

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When trouble arises
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5-2. Steps to take in an emergency
SIENNA_OM_OM45472U_(U)
■
Stopping the engine
Shift the shift lever to P and press the “ENGINE START STOP” switch as
you normally do when stopping the engine.
■ Replacing the key battery
As this above procedure is a temporary measure, it is recommended that the
electronic key battery be replaced immediately when the battery depletes.
(P. 709)
■ Alarm (if equipped)
Using the mechanical key to lock the doors will not set the alarm system.
If a door is unlocked using the mechanical key when the alarm system is set,
the alarm may be triggered. ( P. 162)
■ Changing “ENGINE START STOP” switch modes
Within 10 seconds of the buzzer sounding, release the brake pedal and
press the “ENGINE START STOP” switch.
The engine does not start and modes will be changed each time the switch
is pressed. ( P. 231)

786
5-2. Steps to take in an emergency
SIENNA_OM_OM45472U_(U)
If the batter y is discharged
The following procedures may be used to start the engine if the vehi-
cle’s battery is discharged.
You can call your Toyota dealer or qualified repair shop.
If you have a set of jumper (or boo ster) cables and a second vehi-
cle with a 12-volt battery, you can jump start your vehicle by follow-
ing the steps below.
Open the hood. ( P. 667)
Vehicles with a 2GR-FE engine only: Remove the engine
cover.
Lift the edge of the cover to
fixed pins, and then pull the
cover towards you to remove.
Connect the jumper cables according to the following pro-
cedures:
STEP1
STEP2