stop start TOYOTA SIENNA 2019 (in English) Owner's Guide

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7When trouble arises
7-1. Essential informationEmergency flashers .......... 462
If your vehicle has to be stopped in an
emergency ...................... 463 7-2. Steps to take in an
emergency
If your vehicle needs to be towed ......................... 465
If you think something is wrong .............................. 469
Fuel pump shut off system ............................ 470
If a warning light turns on or a warning buzzer
sounds ............................ 471
If a warning message is displayed......................... 481
If you have a flat tire (vehicles with a compact
spare tire)........................ 485
If you have a flat tire (vehicles with
run-flat tires).................... 499
If the engine will not start ................................. 501
If the electronic key does not operate properly
(vehicles with a smart
key system)..................... 503
If the battery is discharged ...................... 505
If your vehicle overheats ........................ 509
If the vehicle becomes stuck ............................... 512

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7-2. Steps to take in an emergency
Fuel pump shut off system
Follow the procedure below to restart the engine after the system is
activated.
Vehicles without a smart key system
Turn the engine switch to the “ACC” or “LOCK” position.
Restart the engine.
Vehicles with a smart key system
Turn the engine switch to ACCESSORY mode or turn it off.
Restart the engine.
To minimize the risk of fuel leakage when the engine stalls or
when an airbag inflates upon collision, the fuel pump shut off
system stops the supply of fuel to the engine.
NOTICE
■ Before starting the engine
Inspect the ground under the vehicle.
If you find that fuel has leaked onto the ground, the fuel system has been
damaged and is in need of repair. Do not restart the engine.
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4737-2. Steps to take in an emergency
SIENNA_OM_OM08025U_(U)
7
When trouble arises
Slip indicatorIndicates a malfunction in:
• The VSC (Vehicle Stability Control) system;
• The TRAC (Traction Control) system; or
• The hill-start assist control system
The light will flash when the VSC or the TRAC system is
operating.
 Have the vehicle inspected by your Toyota dealer
immediately.
Low fuel level warning light
Indicates that remaining fuel is approximately 3.0 gal.
(11.4 L, 2.5 Imp.gal.) or less
 Refuel the vehicle.
Seat belt reminder light (warning buzzer)*3
Warns the driver and/or front passenger to fasten their
seat belts
 Fasten the seat belt.
If the front passenger’s seat is occupied, the front
passenger’s seat belt also needs to be fastened to
make the warning light (warning buzzer) turn off.
Low engine oil level warning light*2
Indicates that engine oil level is low (This warning light
may come on if the vehicle is stopped on a slope. Move
the vehicle to a level surface and check to see if the light
goes off.)
 Check the level of engine oil and add more oil if nec-
essary.
Master warning light
A buzzer sounds and the warning light comes on and
flashes to indicate that the master warning system has
detected a malfunction.
 P. 481
Warning lightWarning light/Details/Actions

4837-2. Steps to take in an emergency
SIENNA_OM_OM08025U_(U)
7
When trouble arises
■Warning messages
The warning messages explained below may differ from the actual messages
according to operation conditions and vehicle specifications.
■ If a message that indicates the need for contacting or visiting your TOY-
OTA dealer is shown
The system or part shown on the multi-information display is ma lfunctioning.
Have the vehicle inspected by your Toyota dealer.
■ If “Auto Power Off to Con serve Battery” is shown
Power was turned off due to the automatic power off function. N ext time when
starting the engine, increase the engine speed slightly and mai ntain that level
for approximately 5 minutes to recharge the battery.
■ If “Shift to P Before Exiting Vehicle” is shown
The driver’s door is opened without turning the engine switch t o off with the
shift lever in any position other than P. Shift the shift lever to P.
■ If “Front Camera Unavailable” or “Front Camera Unavailable Remove
Debris On Windshield” is shown
The following systems may be suspended until the problem shown in the
message is resolved.
● PCS (Pre-Collision system)
● LDA (Lane Departure Alert with steering control)
● Dynamic radar cruise control
● Automatic High Beam
■ If “AWD System Overheated 2WD Mode Engaged” or “AWD System
Overheated Switching To 2WD Mode” is shown
The Active Torque Control 4WD system has overheated. Immediatel y stop
the vehicle in a safe place and contact your Toyota dealer.
■ If “Low Engine Oil Add or Replace” is shown
The engine oil level is low. Check the level of engine oil, and add if necessary.
This message may appear if the vehicle is stopped on a slope. M ove the
vehicle to a level surface and check to see if the message disa ppears.
■ If “Maintenance Required Soon” is shown
The engine oil is scheduled to be changed. Check the engine oil, and change
if necessary. After changing the engine oil, the message should be reset.
( P. 398)

5047-2. Steps to take in an emergency
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■Stopping the engine
Shift the shift lever to P and press the engine 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. 436)
■ Alarm (if equipped)
Using the mechanical key to lock the doors will not set the ala rm system.
If a door is unlocked using the mechanical key when the alarm system is set,
the alarm may be triggered. ( P. 79)
■ Changing engine switch modes
Within 10 seconds of the buzzer sounding, release the brake ped al and press
the engine switch.
The engine does not start and modes will be changed each time t he switch is
pressed. ( P. 229)
■ When the electronic key does not work properly
●Check if the battery-saving mode is set. If it is set, cancel t he function.
( P. 145)
● Make sure that the smart key system has not been deactivated in the cus-
tomization setting. If it is off, turn the function on.
(Customizable features P. 544)

5107-2. Steps to take in an emergency
SIENNA_OM_OM08025U_(U)
The coolant level is satisfactory if it is between the “FULL” and
“LOW” lines on the reservoir.
Reservoir
“FULL” line
“LOW” line
Radiator cap
Add coolant if necessary.
Water can be used in an emer-
gency if coolant is unavailable.
Start the engine and turn the ai r conditioning system on to check
that the radiator cooling fans operate and to check for coolant leaks
from the radiator or hoses.
The fans operate when the air conditioning system is turned on immedi-
ately after a cold start. Confirm that the fans are operating b y checking the
fan sound and air flow. If it is difficult to check these, turn the air condition-
ing system on and off repeatedly. (The fans may not operate in freezing
temperatures.)
If the fans are not operating:
Stop the engine immediately and contact your Toyota dealer.
If the fans are operating:
Have the vehicle ins pected at the nearest Toyota dealer.
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7-2. Steps to take in an emergency
If the vehicle becomes stuck
Stop the engine. Set the parking brake and shift the shift lever to P.
Remove the mud, snow, or sand from around the stuck tire.
Place wood, stones or some other material under the tires to help
provide traction.
Restart the engine.
Shift the shift lever to the D or R and release the parking bra ke.
Then, while exercising caution, depress the accelerator pedal.
■When it is difficult to free the vehicle
Carry out the following procedures if the tires spin or the vehicle
becomes stuck in mud, dirt, or snow:
Press to turn off TRAC. ( P. 324)
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SIENNA_OM_OM08025U_(U)
5498-2. Customization
8
Vehicle specifications
■Vehicle customization
●When the speed-detecting automatic door lock and shift-linked a utomatic
door lock are both on, the door lock operates as follows:
• When shifting the shift position to any position other than P, all the doors
will be locked.
• If the vehicle is started with all the doors locked, the Speed linked door locking function would not operate.
• If the vehicle is started with any door unlocked, the Speed linked door locking function will operate.
● When the smart key system is off, the entry unlock function cannot be cus-
tomized.
● When the doors remain closed after unlocking the doors and the timer acti-
vated automatic door lock function activates, signals will be g enerated in
accordance with the operation buzzer volume and operational sig nal
(Emergency flashers) function settings.
■ When customizing on the audio/visual system screen
Stop the vehicle in a safe place, apply the parking brake, and shift the shift
lever to P. Also, to prevent battery discharge, leave the engin e running while
customizing the features.
WARNING
■ During customization
As the engine needs to be running during customization, ensure that the
vehicle is parked in a place with adequate ventilation. In a closed area such
as a garage, exhaust gases including harmful carbon monoxide (CO) may
collect and enter the vehicle. This may lead to death or a seri ous health
hazard.
NOTICE
■ During customization
To prevent battery discharge, ensure that the engine is running while cus-
tomizing features.

569What to do if... (Troubleshooting)
SIENNA_OM_OM08025U_(U)
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. ( P. 79)
To stop the alarm, turn the engine switch to the “ON” position (vehicles with-
out a smart key system) or IGNITION ON mode (vehicles with a sm art key
system) or start the engine.
●Is the message displayed on the multi-information display?
Check the message on the multi-information display. ( P. 481)
●When a warning light turns on or a warning message is displayed , refer to
P. 471, 481.
●Vehicles with run-flat tires:
Slow down the vehicle, drive wit h extra caution, and take your vehicle
to the nearest Toyota dealer or authorized tire dealer as soon as possi-
ble to have the tire replaced. ( P. 4 9 9 )
●Vehicles with a compact spare tire:
Stop the vehicle in a safe place and replace the flat tire with the spare
tire. ( P. 485)
●Try the procedure for when the vehicle becomes stuck in mud, di rt, or
snow. ( P. 512)
An alarm is activated and t he horn sounds (if equipped)
A warning buzzer sounds w hen leaving the vehicle
(vehicles with a smart key system)
A warning light turns on or a warning message is displayed
When a problem has occurred
If you have a flat tire
The vehicle becomes stuck

573Alphabetical index
SIENNA_OM_OM08025U_(U)
DrivingBreak-in tips .......................... 195
Correct posture ....................... 28
Procedures ........................... 194
Winter driving tips ................. 328
Driving position memory ........ 169 Driving position memory ....... 170
Memory recall function.......... 171
Power easy access system ......... ....................... 169
Dynamic radar cruise control
Function ................................ 289
DVD player
*
Eco Driving Indicator ................ 88
EDR (Event data recorder) ........ 10
Electric power steering (EPS)....................................... 323 Function ................................ 323
Warning light ......................... 472
Electronic key Battery-saving function ......... 145
If your electronic key does
not operate properly ........... 503
Replacing the battery ............ 436
Emergency flashers ................ 462 Emergency, in case of
If a warning buzzer
sounds................................ 471
If a warning light turns on ..... 471
If a warning message is displayed ............................ 481
If the battery is discharged ... 505
If the electronic key does not operate properly ........... 503
If the engine will not start ...... 501
If you have a flat tire .... 485, 499
If you lose your keys ............. 107
If you think something is wrong ................................. 469
If your vehicle becomes stuck ................................... 512
If your vehicle has to be
stopped in an emergency ... 463
If your vehicle needs to be towed.................................. 465
If your vehicle overheats....... 509
Engine “ACC” position ...................... 225
Accessory mode ................... 229
Compartment ........................ 410
Engine switch ............... 225, 228
Hood ..................................... 407
How to start the
engine ........................ 225, 228
Identification number ............ 517
If the engine will not start ...... 501
Ignition switch (engine switch) ........... 225, 228
Overheating .......................... 509
E
*: Refer to “NAVIGATION AND MULTIMEDIA
SYSTEM OWNER’S MANUAL”