2017 TOYOTA SIENNA check engine

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”

667Alphabetical index
SIENNA_OM_OM08007U_(U)
Tachometer ................................ 88
Tail lightsLight switch ........................... 242
Replacing light bulbs ................... 528, 530, 531
Wattage ................................ 608
Talk switch
*............................. 405
Telephone switch
*.................. 384
Theft deterrent system Alarm ...................................... 77
Engine immobilizer system ..... 75
Tire inflation pressure ............. 504 Maintenance data ................. 606
Warning light ......................... 547
Tire pressure warning system
Function ................................ 497
Initializing .............................. 497
Installing tire pressure warning valves and
transmitters......................... 497
Registering ID codes ............ 498
Tire pressure warning reset switch ........................ 497
Warning light ......................... 547
Warning message ................. 558 Tires
Chains .................................. 318
Checking............................... 496
Glossary ............................... 618
If you have a flat tire ..... 570, 572
Inflation pressure .................. 504
Information............................ 612
Replacing.............................. 572
Rotating tires ........................ 496
Size....................................... 606
Snow tires ............................. 317
Tire identification number ..... 614
Tire pressure warning system .......... ...................... 497
Uniform Tire Quality Grading .............................. 616
Warning light......................... 547
Tools ......................................... 575
Total load capacity .................. 600
Towing Dinghy towing ....................... 224
Emergency towing ................ 539
Trailer towing ........................ 210
Traction control ....................... 297
TRAC (Traction Control) Function ................................ 297
TRAC OFF switch................. 298
Trailer towing ........................... 210
Trip meter ................................... 88
Turn signal lights Replacing light bulbs........... 525, 526, 529, 531
Turn signal lever ................... 240
Wattage ................................ 608
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668Alphabetical index
SIENNA_OM_OM08007U_(U)
USB memory ............................ 352
USB port ................................... 327
Valet key ................................... 104
Vanity lightsVanity lights .......................... 443
Wattage ................................ 608
Vanity mirrors .......................... 443 Vanity lights .......................... 443
VDIM (Vehicle Dynamics
Integrated Management)....... 298
Vehicle data recordings .............. 9
Vehicle identification number ................................... 601
Vehicle stability control (VSC) ...................................... 297
Voice command system
*....... 405
VSC (Vehicle Stability Control) .................................. 297
Warning buzzers Brake system ....... ................. 545
Electric power steering system ......... ....................... 546
Key reminder ........................ 568
Low engine oil pressure ........ 545
Open door ............................. 547
Seat belt reminder ................ 547 Warning lights
ABS ...................................... 546
Brake system ....... ................. 545
Charging system................... 545
Electric power steering system .......... ...................... 546
Low engine oil pressure........ 545
Low fuel level ........................ 547
Malfunction indicator lamp .... 545
Master warning light ............. 547
Open door............................. 547
Pre-collision system.............. 546
Seat belt reminder light......... 547
Slip indicator light ................. 546
SRS airbags ......................... 546
Third seat warning light ........ 547
Tire pressure warning light..................................... 547
Warning messages.................. 554
Washer Checking............................... 495
Low washer fluid warning message............................. 563
Preparing and checking before winter ...................... 317
Switch ........................... 253, 257
Washing and waxing ............... 468
Weight
Cargo capacity...................... 209
Load limits ............................ 600
Weight .................................. 600
Wheels ...................................... 507 Replacing wheels ................. 572
Size....................................... 606
Window glasses ..................... 184
Window lock switch ................ 184
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