2017 TOYOTA SIENNA stop start

5578-2. Steps to take in an emergency
SIENNA_OM_OM08007U_(U)
8
When trouble arises
Indicates a malfunction in the EPS (Electric
Power Steering) systemA buzzer also sounds.
 Have the vehicle inspected by your Toyota
dealer.
Indicates a malfunction in:
• The ABS; or
• The brake assist system A buzzer also sounds.
 Immediately stop the vehicle in a safe place
and contact your Toyota dealer. Continuing
to drive the vehicle may be dangerous.
Indicates a malfunction in:
• The VSC (Vehicle Stability Control) system;
• The TRAC (Traction Control) system; or
• The hill-start assist control system (if equipped)
 Have the vehicle inspected by your Toyota
dealer.
Warning messageDetails/Actions
(U.S.A.) (Canada)

5898-2. Steps to take in an emergency
SIENNA_OM_OM08007U_(U)
8
When trouble arises
■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. 511)
■ 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. 77)
■ Changing engine switch modes
Within 10 seconds of the buzzer sounding, release the brake pedal and press
the engine switch.
The engine does not start and modes will be changed each time the 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 the 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. 629)

5958-2. Steps to take in an emergency
SIENNA_OM_OM08007U_(U)
8
When trouble arises
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 air conditioning system on to check
that the radiator cooling fans oper ate 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 by 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 an d contact your Toyota dealer.
If the fans are operating:
Have the vehicle in spected at the nearest Toyota dealer.
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597
SIENNA_OM_OM08007U_(U)
8
When trouble arises
8-2. 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 brake.
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. 298)
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SIENNA_OM_OM08007U_(U)
6339-2. Customization
9
Vehicle specifications
■Vehicle customization
●When the speed-detecting automatic door lock and shift-linked automatic
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 generated in
accordance with the operation buzzer volume and operational signal
(Emergency flashers) function settings.
■ When customizing on the audio 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 engine 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 serious health
hazard.
NOTICE
■During customization
To prevent battery discharge, ensure that the engine is running while cus-
tomizing features.

653What to do if... (Troubleshooting)
SIENNA_OM_OM08007U_(U)
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? (P. 547)
●The brake system warning light is on
Is the parking brake released? (P. 241)
Depending on the situation, other types of warning buzzer may also sound.
(  P. 545, 554)
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. ( P. 77)
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 smart key
system) or start the engine.
●Is the message displayed on the multi-information display?
Check the message on the multi-information display. ( P. 554)
A warning buzzer sounds during driving
An alarm is activated and the horn sounds (if equipped)
A warning buzzer sounds when leaving the vehicle
(vehicles with a smart key system)

659Alphabetical index
SIENNA_OM_OM08007U_(U)
Emergency, in case ofIf a warning buzzer
sounds ................................ 545
If a warning light turns on...... 545
If a warning message is displayed ............................ 554
If the battery is discharged.... 590
If the electronic key does not operate properly ........... 588
If the engine will not start ...... 586
If you have a flat tire .... 570, 572
If you lose your keys ............. 107
If you think something is wrong.................................. 543
If your vehicle becomes stuck ................................... 597
If your vehicle has to be
stopped in an emergency ... 537
If your vehicle needs to be towed .................................. 539
If your vehicle overheats ....... 594
Engine “ACC” position ...................... 225
Accessory mode ................... 229
Compartment ........................ 486
Engine switch................ 225, 228
Hood ..................................... 483
How to start the
engine......................... 225, 228
Identification number ............ 601
If the engine will not start ...... 586
Ignition switch (engine switch) ........... 225, 228
Overheating .......................... 594 Engine coolant
Capacity................................ 604
Checking............................... 489
Preparing and checking before winter ...................... 317
Engine coolant temperature gauge ....................................... 88
Engine immobilizer system ...... 75
Engine oil
Capacity................................ 602
Checking............................... 487
Oil pressure warning light ..... 545
Oil pressure warning message............................. 561
Preparing and checking before winter ...................... 317
Engine switch .................. 225, 228
EPS (Electronic Power Steering)
Function ................................ 297
Warning light......................... 546
Warning message................. 557
Event data recorder (EDR)........ 10
*: Refer to “NAVIGATION AND MULTIMEDIA
SYSTEM OWNER’S MANUAL”

666Alphabetical index
SIENNA_OM_OM08007U_(U)
Smart key systemAntenna location ................... 143
Entry function ........ 110, 121, 133
Starting the engine................ 228
Warning message ................. 566
Snow tires ................................ 317
Spare tire Inflation pressure .................. 607
Storage location .................... 573
Spark plug ................................ 604
Specifications .......................... 600
Speedometer .............................. 88
Steering wheel Adjustment ............................ 177
Audio switches
*.................... 325
Column lock release ..... 226, 231
“DISP” switch .......................... 90
Heated steering wheel .......... 424
Meter control switches ............ 94
Talk switch
*.......................... 405
Telephone switches
*............ 384
Stop lights Replacing light bulbs..... 528, 531
Wattage ................................ 608
Storage feature ........................ 430
Storage precautions ........ 207, 430
Stuck If your vehicle becomes stuck ................................... 597
Sunshades
Rear door .............................. 450
Roof ...................................... 191
Sun visors ................................ 443
Switch
Audio remote control switches
*........................... 325
BSM (Blind Spot Monitor) switch ................................. 309
Cruise control switch............. 262 “DISP” switch .......................... 90
Door lock switch ................... 114
Driving position memory
switches ............................. 169
Emergency flashers
switch ................................. 536
Engine switch ............... 225, 228
Fog light switch ..................... 252
Garage door opener switches ............................. 452
Heated steering wheel .......... 424
Ignition switch ............... 225, 228
Intuitive parking assist switch ................................. 279
Light switches ....................... 242
Moon roof switches............... 189
Outside rear view mirror switches ............................. 181
Pre-collision braking off switch ................................. 303
Power back door................... 134
Power door lock switch ......... 114
Power window switch ... 184, 187
Rear window wiper and washer switch..................... 257
Rear window and outside rear view mirror
defoggers switch ................ 416
Seat heater switches ............ 424
“SOS” button......................... 461
Talk switch
*.......................... 405
Telephone switches
*............ 384
Tire pressure warning
reset switch ........................ 497
TRAC OFF switch................. 298
Vehicle-to-vehicle distance button ................................. 266
Window lock switch .............. 184
Wiper and washer switch ......................... 253, 257