heater TOYOTA SIENNA 2018 Owners Manual (in English)

TABLE OF CONTENTS4
SIENNA_OM_OM08019U_(U)5-1. Using the air conditioning
system and defogger
Front automatic air conditioning system ........ 332
Rear automatic air conditioning system ........ 341
Heated steering wheel/seat heaters .......... 344
• Heated steering wheel ............................ 345
• Seat heaters ................. 346
5-2. Using the interior lights Interior lights list ................ 347• Personal/interior light
main switch ................... 348
• Personal/interior lights ............................. 348
• Rear ceiling lights ......... 349
5-3. Using the storage features List of storage features...... 350• Glove boxes .................. 351
• Console box .................. 352
• Cup holders .................. 354
• Bottle holders ................ 356
• Door pockets................. 357
• Auxiliary boxes .............. 358
Luggage compartment features ........................... 361 5-4. Using the other interior
features
Other interior features........ 363 • Sun visors ..................... 363
• Vanity mirrors ................ 363
• Conversation mirror ....... 364
• Power outlets ................ 365
• USB charging ports ....... 368
• Armrests ........................ 370
• Assist grips .................... 371
• Rear side sunshades .... 372
• Grocery bag hooks ........ 373
Garage door opener .......... 374
Compass ........................... 381
Safety Connect .................. 385
6-1. Maintenance and care Cleaning and protecting the vehicle exterior .......... 392
Cleaning and protecting the vehicle interior ........... 395
6-2. Maintenance Maintenance requirements ................... 398
General maintenance ........ 401
Emission inspection and maintenance (I/M)
programs ......................... 404
5Interior features
6Maintenance and care

20Pictorial index
SIENNA_OM_OM08019U_(U)
■Switches
Power window switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 184
Window lock switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 184
Driving position memory switches
*1. . . . . . . . . . . . . . . . . . P. 169
Outside rear view mirror switches . . . . . . . . . . . . . . . . . . . . P. 181
Door lock switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 114
Inside lock buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 114, 122
Power quarter window switch
*1. . . . . . . . . . . . . . . . . . . . . . P. 187
VSC OFF switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 323
Intuitive parking assist switch
*1 . . . . . . . . . . . . . . . . . . . . . P. 314
Panoramic view monitor switch
*1, 2
Heated steering wheel switch*1. . . . . . . . . . . . . . . . . . . . . . P. 344
Manual headlight leveling dial
*1 . . . . . . . . . . . . . . . . . . . . . P. 243
Power sliding door main switch
*1. . . . . . . . . . . . . . . . . . . . P. 124
Power back door main switch
*1. . . . . . . . . . . . . . . . . . . . . . P. 136
Seat heater dials
*1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 344
Tire pressure warning reset switch . . . . . . . . . . . . . . . . . . . P. 421
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3
4
5
6
7
8
9
10
11
12
13
14
15

331
SIENNA_OM_OM08019U_(U)
5Interior features
5-1. Using the air conditioning system and defogger
Front automatic air conditioning system ........ 332
Rear automatic air conditioning system ........ 341
Heated steering wheel/seat heaters .......... 344
• Heated steering wheel ............................ 345
• Seat heaters ................. 346 5-2. Using the interior lights
Interior lights list ................ 347• Personal/interior light main switch ................... 348
• Personal/interior
lights ............................. 348
• Rear ceiling lights ......... 349
5-3. Using the storage features List of storage features ..... 350• Glove boxes .................. 351
• Console box .................. 352
• Cup holders .................. 354
• Bottle holders ................ 356
• Door pockets................. 357
• Auxiliary boxes.............. 358
Luggage compartment features ........................... 361
5-4. Using the other interior features
Other interior features ....... 363 • Sun visors ..................... 363
• Vanity mirrors................ 363
• Conversation mirror ...... 364
• Power outlets ................ 365
• USB charging ports....... 368
• Armrests ....................... 370
• Assist grips ................... 371
• Rear side sunshades .... 372
• Grocery bag hooks ....... 373
Garage door opener.......... 374
Compass ........................... 381
Safety Connect ................. 385

344
SIENNA_OM_OM08019U_(U)
5-1. Using the air conditioning system and defogger
Heated steering wheel/seat heaters
: If equipped
Heated steering wheel and seat heaters heat the side grips of t he
steering wheel and seats, respectively.
WARNING
● Care should be taken to prevent injury if anyone in the following categories
comes in contact with the steering wheel and seats when the hea ter is on:
• Babies, small children, the elderly, the sick and the physical ly chal-
lenged
• Persons with sensitive skin
• Persons who are fatigued
• Persons who have taken alcohol or drugs that induce sleep (sle eping
drugs, cold remedies, etc.)
● Observe the following precautions to prevent minor burns or ove rheating:
• Do not cover the seat with a blanket or cushion when using the seat
heater.
• Do not use seat heater more than necessary.
NOTICE
● Do not put heavy objects that have an uneven surface on the sea t and do
not stick sharp objects (needles, nails, etc.) into the seat.
● To prevent battery discharge, do not use the functions when the engine is
not running.

3465-1. Using the air conditioning system and defogger
SIENNA_OM_OM08019U_(U)
For driver’s seat
For front passenger’s seat
On
The indicator light comes on.
Adjusts the seat temperature
The further you move the dial
upward, the warmer the seat
becomes.
●The seat heaters can be used when the engine switch is in the “ ON” position
(vehicles without a smart key system) or IGNITION ON mode (vehi cles with
a smart key system).
● When not in use, move the dial fully downward. The indicator li ght turns off.
Seat heaters
1
2
3
4

SIENNA_OM_OM08019U_(U)
3976-1. Maintenance and care
6
Maintenance and care
NOTICE
■Cleaning detergents
● Do not use the following types of detergent, as they may discol or the vehi-
cle interior or cause streaks or damage to painted surfaces:
• Non-seat portions: Organic substances such as benzene or gasol ine,
alkaline or acidic solutions, dye, and bleach
• Seats: Alkaline or acidic solutions, such as thinner, benzene, and alco-
hol
● Do not use polish wax or polish cleaner. The instrument panel’s or other
interior part’s painted surface may be damaged.
■ Preventing damage to leather surfaces
Observe the following precautions to avoid damage to and deterioration of
leather surfaces.
● Remove any dust or dirt from leather surfaces immediately.
● Do not expose the vehicle to direct sunlight for extended perio ds of time.
Park the vehicle in the shade, especially during summer.
● Do not place items made of vinyl, plastic, or containing wax on the uphol-
stery, as they may stick to the leather surface if the vehicle interior heats
up significantly.
■ Water on the floor
Do not wash the vehicle floor with water.
Vehicle systems such as the audio/visual system may be damaged if water
comes into contact with electrical components such as the audio /visual sys-
tem above or under the floor of the vehicle. Water may also cause the body
to rust.
■ Cleaning the inside of the rear window and the rear quarter win dows
● Do not use glass cleaner to clean the rear window and the rear quarter
windows, as this may cause damage to the rear window defogger heater
wires or antenna. Use a cloth dampened with lukewarm water to g ently
wipe the windows clean. Wipe the windows in strokes running par allel to
the heater wires or antenna.
● Be careful not to scratch or damage the heater wires or antenna .
■ When cleaning the inside of the windshield
Do not allow glass cleaner to contact the lens. Also, do not to uch the lens.
( P. 264)

SIENNA_OM_OM08019U_(U)
5358-1. Specifications
8
Vehicle specifications
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation
pressure Tire pressure when the vehicle has been
parked for three hours or more, or has not
been driven more than 1 mile or 1.5 km under
that condition
Maximum inflation
pressure The maximum cold inflated pressure to which
a tire may be inflated, shown on the sidewall
of the tire
Recommended
inflation pressure Cold tire inflation pressure recommended by a
manufacturer
Accessory weight The combined weight (in excess of those stan-
dard items which may be replaced) of auto-
matic transmission, power steering, power
brakes, power windows, power seats, radio
and heater, to the extent that these items are
available as factory-installed equipment
(whether installed or not)
Curb weight The weight of a motor vehicle with standard
equipment, including the maximum capacity of
fuel, oil and coolant, and if so equipped, air
conditioning and additional weight optional
engine
Maximum loaded
vehicle weight The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant
weight 150 lb. (68 kg) times the number of occupants
specified in the second column of Table 1
*
that follows
Occupant distribution Distribution of occupants in a vehicle as speci-
fied in the third
column of Table 1
* below
Production options
weight The combined weight of installed regular pro-
duction options weighing over 5 lb. (2.3 kg) in
excess of the standard items which they
replace, not previously considered in curb
weight or accessory weight, including heavy
duty brakes, ride levelers, roof rack, heavy
duty battery, and special trim

572Alphabetical index
SIENNA_OM_OM08019U_(U)
Child safety ................................ 57Airbag precautions .................. 41
Back door precautions .......... 139
Battery precautions ........ 418,508
Child restraint system ............. 58
How your child should wear
the seat belt .......................... 34
Installing child restraints ......... 62
Moon roof precautions .......... 191
Power window lock switch .... 184
Power window precautions ... 186
Removed key battery
precautions ......................... 438
Seat belt extender
precautions ........................... 37
Seat belt precautions .............. 36
Seat heater precautions........ 344
Sliding door child-protectors ................... 125
Child-protectors....................... 125
Cleaning
Aluminum wheels.................. 393
Exterior ................................. 392
Interior................................... 395
Seat belts .............................. 396
Clock
*
Compass .................................. 381
Condenser ................................ 415
Console box ............................. 352
Conversation mirror ................ 364
Cooling system ........................ 413 Engine overheating ............... 509
Cruise control
Dynamic radar cruise control................................. 289
Warning message ................. 299
Cup holders.............................. 354
Curtain shield airbags ............... 38
Customizable features ............ 540 Daytime running light
system.................................... 244
Defogger Outside rear view mirrors ..... 336
Rear window ......................... 336
Windshield ............................ 336
Differential Rear differential .................... 521
Dimension ................................ 516
Dinghy towing.......................... 224
Display Drive information .................... 94
Dynamic radar cruise control ................................ 289
Fuel consumption information ........................... 99
LDA
(Lane Departure Alert) ....... 283
Multi-information display ......... 92
Warning messages ............... 481
Do-it-yourself maintenance .... 405
Door courtesy lights Door courtesy lights .............. 347
Wattage ................................ 525
Doors Automatic door locking and unlocking system......... 115
Back door ............................. 133
Door lock .............. 110, 121, 133
Front doors ........................... 110
Outside rear view mirrors ..... 181
Sliding door child-protectors................... 125
Sliding doors ......................... 121
D

574Alphabetical index
SIENNA_OM_OM08019U_(U)
Engine coolantCapacity ................................ 520
Checking ............................... 413
Preparing and checking before winter....................... 327
Engine coolant temperature gauge........................................ 90
Engine immobilizer system ...... 77
Engine oil
Capacity ................................ 518
Checking ............................... 411
Oil pressure warning light ..... 471
Oil pressure warning message ............................. 484
Preparing and checking before winter....................... 327
Engine switch .................. 225, 228
EPS (Electronic Power Steering)
Function ................................ 322
Warning light ......................... 472
Event data recorder (EDR) ........ 10 Flat tire ............................. 485, 499
Floor mats .................................. 26
Fluid
Automatic transaxle .............. 521
Brake .................................... 415
Transfer ................................ 521
Washer ................................. 419
Fog lights
Light switch ........................... 251
Replacing light bulbs ............ 448
Wattage ................................ 525
Front automatic air conditioning system ............. 332
Front doors .............................. 110
Front passenger occupant
classification system .............. 52
Front seats ............................... 149
Adjustment............................ 149
Cleaning ............................... 395
Correct driving posture ........... 28
Driver’s seat position memory .............................. 169
Head restraints ..................... 173
Power easy access
system .......... ...................... 169
Seat heaters ......................... 344
Seat position memory ........... 169
Front side marker lights Light switch ........................... 241
Replacing light bulbs .... 450, 452
Wattage ................................ 525
Front turn signal lights Replacing light bulbs .... 450, 451
Turn signal lever ................... 239
Wattage ................................ 525F

575Alphabetical index
SIENNA_OM_OM08019U_(U)
FuelCapacity ................................ 518
Fuel gauge .............................. 90
Fuel pump shut off system.... 470
Gas station information ......... 584
Information ............................ 526
Refueling............................... 258
Type ...................................... 518
Warning light ......................... 473
Fuel consumption information .............................. 99
Fuel filler door.......................... 258 Refueling............................... 258
Fuel pump shut off system ..... 470
Fuses ........................................ 439
Garage door opener ................ 374
Gauges ....................................... 89
Glove box ................................. 351
Grocery bag hooks .................. 373 Hands-free system
(for cellular phone)
*
HDMI port*
Head restraints ........................ 173
Headlights
Automatic High Beam system .......... ...................... 246
Discharge headlights
precautions......................... 459
Light switch ........................... 241
Manual headlight leveling dial...................................... 243
Replacing light bulbs .... 445, 447
Wattage ................................ 525
Heaters Front automatic air conditioning system............ 332
Heated steering wheel .......... 344
Outside rear view mirrors ..... 336
Rear automatic air conditioning system............ 341
Seat heaters ......................... 344
Hill-start assist control ........... 322
Hood ......................................... 407
Hooks
Cargo .................................... 361
Grocery bag .......................... 373
Retaining hooks (floor mat) .... 26
Horn .......................................... 177
G
H
*: Refer to “NAVIGATION AND MULTIMEDIA
SYSTEM OWNER’S MANUAL”