
647What to do if... (Troubleshooting)
SIENNA_OM_01999-08001_(U)
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? (P. 539)
●The brake system warning light is on
Is the parking brake released? (P. 236)
Depending on the situation, other types of warning buzzer may also sound.
( P. 537, 546)
●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. 546)
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)

648What to do if... (Troubleshooting)
SIENNA_OM_01999-08001_(U)
●When a warning light turns on or a warning message is displayed, refer to
P. 537, 546.
●Vehicles with run-flat tires:
Slow down the vehicle, drive with 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. 562)
●Vehicles with a compact spare tire:
Stop the vehicle in a safe place and replace the flat tire with the spare
tire. ( P. 564)
●Try the procedure for when the vehicle becomes stuck in mud, dirt, or
snow. ( P. 590)
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

652Alphabetical index
SIENNA_OM_01999-08001_(U)
Daytime running light system .................................... 240
Defogger Outside rear view mirrors...... 408
Rear window ......................... 408
Windshield ............................ 408
Differential Rear differential .................... 599
Dimension ................................ 594
Dinghy towing .......................... 222
Display Drive information............... 90, 95
Dynamic radar cruise control................................. 261
Fuel consumption information.......................... 100
Multi-information
display ............................ 90, 93
Warning messages ............... 546
Do-it-yourself maintenance .... 473
Door courtesy lights
Door courtesy lights .............. 419
Wattage ................................ 602
Doors Automatic door locking and unlocking system ......... 115
Back door.............................. 132
Door lock............... 110, 121, 132
Front doors ........................... 110
Open door warning
buzzer/light ......................... 539
Open door warning message ..................... 547, 548
Outside rear view mirrors...... 180
Sliding door child-protectors ................... 125
Sliding doors ......................... 121 Driving
Break-in tips.......................... 193
Correct posture ....................... 26
Procedures ........................... 192
Winter driving tips ................. 311
Driving position memory ........ 168 Driving position memory ....... 169
Memory recall function ......... 170
Power easy access system .......... ...................... 168
Dynamic radar cruise control
Function ................................ 261
Warning message......... 547, 551
DVD player
*
Eco Driving Indicator ................ 86
EDR (Event data recorder)........ 10
Electric power steering (EPS) ...................................... 291
Function ................................ 291
Warning light......................... 538
Warning message................. 549
Electronic key Battery-saving function ......... 144
If your electronic key does not operate properly ........... 581
Replacing the battery............ 503
Emergency flashers ................ 528
D
E

653Alphabetical index
SIENNA_OM_01999-08001_(U)
Emergency, in case ofIf a warning buzzer
sounds ................................ 537
If a warning light turns on...... 537
If a warning message is displayed ............................ 546
If the battery is discharged.... 583
If the electronic key does not operate properly ........... 581
If the engine will not start ...... 578
If the shift lever cannot be shifted from P ..................... 580
If you have a flat tire .... 562, 564
If you lose your keys ............. 107
If you think something is wrong.................................. 535
If your vehicle becomes
stuck ................................... 590
If your vehicle has to be stopped in an emergency ... 529
If your vehicle needs to be towed .................................. 531
If your vehicle overheats ....... 587
Engine “ACC” position ...................... 223
Accessory mode ................... 227
Compartment ........................ 478
Engine switch................ 223, 226
Hood ..................................... 475
How to start the engine......................... 223, 226
Identification number ............ 595
If the engine will not start ...... 578
Ignition switch (engine switch) ........... 223, 226
Overheating .......................... 587 Engine coolant
Capacity................................ 598
Checking............................... 481
Preparing and checking before winter ...................... 311
Engine coolant temperature gauge ....................................... 88
Engine immobilizer system ...... 75
Engine oil
Capacity................................ 596
Checking............................... 479
Oil pressure warning light ..... 537
Oil pressure warning message............................. 553
Preparing and checking before winter ...................... 311
Engine switch .................. 223, 226
EPS (Electronic Power Steering)
Function ................................ 291
Warning light......................... 538
Warning message................. 549
Event data recorder (EDR)........ 10
*: Refer to “NAVIGATION AND MULTIMEDIA
SYSTEM OWNER’S MANUAL”

656Alphabetical index
SIENNA_OM_01999-08001_(U)
Keyless entrySmart key system ................. 142
Wireless remote control ........ 105
Keys Battery-saving function ......... 144
Electronic key ....................... 104
Engine switch................ 223, 226
If you lose your keys ............. 107
If the electronic key does
not operate properly ........... 581
Key number plate.................. 104
Keyless entry
................... 105, 110, 121, 132
Keys ...................................... 104
Mechanical key ..................... 104
Replacing the battery ............ 503
Warning buzzer..................... 143
Wireless remote control ........ 105
Knee airbags .............................. 36
Language (multi-information display)................................... 619
LATCH anchors ......................... 60
Lever Auxiliary catch lever .............. 475
Hood lock release lever ........ 475
Shift lever .............................. 231
Tilt and telescopic steering lock release lever ............... 176
Turn signal lever ................... 235
Wiper lever.................... 248, 252 License plate lights
Light switch ........................... 237
Replacing light bulbs ............ 523
Wattage ................................ 602
Light bulbs
Replacing.............................. 509
Wattage ................................ 602
Lights
Automatic High Beam system .......... ...................... 242
Door courtesy lights .............. 419
Engine switch light ................ 419
Fog light switch ..................... 247
Headlight switch ................... 237
Illuminated entry system ....... 421
Interior light switch ................ 420
Luggage compartment
light..................................... 136
Outer foot lights .................... 419
Personal light switch ............. 420
Rear ceiling lights ................. 421
Replacing light bulbs ............ 509
Turn signal lever ................... 235
Vanity lights .......................... 435
Wattage ................................ 602
Load capacity .......................... 207
Lock steering column ..... 224, 229
Luggage compartment light Switch ................................... 136
Wattage ................................ 602
K
L

657Alphabetical index
SIENNA_OM_01999-08001_(U)
MaintenanceDo-it-yourself
maintenance ....................... 473
General maintenance ........... 469
Maintenance data ................. 594
Maintenance requirements ... 466
Malfunction indicator lamp ..... 537
Manual headlight leveling dial .......................................... 239
Meter Indicators ................................ 82
Instrument panel light
control ..................................... 89
Meters ..................................... 87
Multi-information
display ............................ 90, 93
Warning lights ....................... 537
Warning messages ............... 546
Microphone .............................. 367
Mirrors Conversation mirror .............. 436
Inside rear view mirror .......... 178
Outside rear view mirror defoggers ........................... 408
Outside rear view mirrors...... 180
Vanity mirrors........................ 435
Moon roof
Jam protection function......... 189
Operation .............................. 188
MP3 disc
*................................. 337
Multi-information display .... 90, 93 Cruise control........................ 257
Drive information............... 90, 95
Dynamic radar cruise control................................. 261
Intuitive parking assist .......... 273
Settings display..................... 619
Warning messages ............... 546 Navigation system
*Noise from under vehicle ........... 8
Odometer ................................... 88
Oil
Engine oil .............................. 596
Opener
Back door ............................. 133
Fuel filler door ....................... 254
Hood ..................................... 475
Outer foot lights Outer foot lights .................... 419
Replacing light bulbs ............ 523
Outside rear view mirrors Adjusting and folding ............ 180
BSM (Blind spot monitor)...... 303
Driving position memory ....... 168
Outside rear view mirror defoggers ........................... 408
Outside temperature display...................................... 88
Overhead console ................... 430
Overheating, Engine ............... 587
MN
O
*: Refer to “NAVIGATION AND MULTIMEDIA
SYSTEM OWNER’S MANUAL”