2016 TOYOTA SIENNA air condition

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7-3. Do-it-yourself maintenance
Remove the filter and replace it
with a new one.
The“  UP” marks shown on the fil-
ter should be pointing up.
■ Checking interval
Replace the air conditioning filter according to the maintenance schedule. In
dusty areas or areas with heavy traffic flow, more frequent cleaning or early
replacement may be required. (For scheduled maintenance information,
please refer to the “Scheduled Maintenance Guide” or “Owner’s Manual
Supplement”.)
■ If air flow from the vents decreases dramatically
The filter may be clogged. Check the filter and replace it if necessary.
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NOTICE
■When using the ai r conditioning system
Make sure that a filter is always installed.
Using the air conditioning system without a filter may cause damage to the
system.

5468-2. Steps to take in an emergency
SIENNA_OM_OM08013U_(U)■
When a tire is replaced with a spare tire (vehicles with compact spare
tire)
The compact spare tire is not equipped with a tire pressure warning valve
and transmitter. If a tire goes flat,
the tire pressure warning light will not
turn off even though the flat tire has been replaced with the spare tire.
Replace the spare tire with the repaired tire and adjust the tire inflation
pressure. The tire pressu re warning light will go off after a few minutes.
■Conditions that the tire pressure warning system may not function
properly
 P. 4 9 7
■If the tire pressure warning light frequently comes on after blinking
for 1 minute
If the tire pressure warning light frequently comes on after blinking for 1
minute when the engine switch is turned to the “ON” position (vehicles
without a smart key system) or IGNI TION ON mode (vehicles with a
smart key system), have it checked by your Toyota dealer.
■ Customization that can be co nfigured at Toyota dealer
The vehicle speed linked seat belt reminder buzzer can be disabled.
(Customizable features P. 630) However, Toyota recommends that the seat
belt reminder buzzer be operational to alert the driver and front passenger
when seat belts are not fastened.
■ Warning buzzer
In some cases, the buzzer may not be heard because of noisy place or an
audio sound.

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8
When trouble arises
8-2. Steps to take in an emergency
If your vehicle overheats
●The needle of the engine coolant temperature gauge ( P. 8 8 )
enters the red zone or a loss of engine power is experienced. (For
example, the vehicle sp eed does not increase.)
● The warning message indicating overheats is shown on the multi-
information display. ( P. 555)
● Steam is coming from under the hood.
Stop the vehicle in a safe place and turn off the air conditioning sys-
tem, and then stop the engine.
If you see steam:
Carefully lift the hood after the steam subsides.
If you do not see steam:
Carefully lift the hood.
After the engine has cooled down su fficiently, inspect the hoses and
radiator core (radiator) for any leaks.
Radiator
Cooling fans
If a large amount of coolant
leaks, immediately contact your
Toyota dealer.
The following may indicate that your vehicle is overheating.
Correction procedures
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5928-2. Steps to take in an emergency
SIENNA_OM_OM08013U_(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 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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9-1. 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 inflat
ed 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

653Alphabetical index
SIENNA_OM_OM08013U_(U)
Alphabetical index
A/C .................................... 408, 417Air conditioning filter ............. 505
Front automatic air
conditioning system ............ 408
Rear automatic air
conditioning system ............ 417
ABS (Anti-lock Brake System) .................................. 293
Function ................................ 293
Warning light ......................... 542
Warning message ................. 553
Active head restraint ............... 150
Active Torque Control 4WD system ........................... 293
Function ................................ 293
Warning message ......... 557, 558
Air conditioning filter .............. 505
Air conditioning system
Air conditioning filter ............. 505
Front automatic air conditioning system ............ 408
Rear automatic air conditioning system ............ 417 Airbags ....................................... 36
Airbag operating
conditions ............................. 45
Airbag precautions for your child......................... 39
Airbag warning light .............. 542
Correct driving posture ........... 26
Curtain shield airbag operating conditions ............. 46
Curtain shield airbag precautions........................... 39
Front passenger occupant classification syst em ............ 50
General airbag
precautions........................... 39
Locations of airbags ............... 36
Modification and disposal of airbags ............... 44
Side and curtain shield airbags operating
conditions ............................. 46
Side and curtain shield airbags precautions .............. 39
SRS airbag instructions for Canadian owners .......... 637
SRS airbags ........................... 36
A

658Alphabetical index
SIENNA_OM_OM08013U_(U)
Flat tire.............................. 566, 568
Floor mats .................................. 24
FluidAutomatic transaxle .............. 603
Brake .................................... 487
Transfer ................................ 603
Washer ................................. 491
Fog lights
Light switch ........................... 249
Replacing light bulbs............. 519
Wattage ................................ 606
Front automatic air conditioning system ............. 408
Front doors .............................. 110
Front passenger occupant
classification system .............. 50
Front seats ............................... 149
Adjustment ............................ 149
Cleaning................................ 467
Correct driving posture ........... 26
Driver’s seat position memory .............................. 169
Head restraints ..................... 173
Power easy access
system ......... ....................... 169
Seat heaters ......................... 420
Seat position memory ........... 169
Front side marker lights Light switch ........................... 239
Replacing light bulbs..... 521, 523
Wattage ................................ 606
Front turn signal lights Replacing light bulbs..... 521, 522
Turn signal lever ................... 237
Wattage ................................ 606 Fuel
Capacity................................ 600
Fuel gauge.............................. 88
Fuel pump shut off system ... 540
Gas station information......... 668
Information............................ 607
Refueling .............................. 256
Type...................................... 600
Warning light......................... 543
Warning message................. 559
Fuel consumption
information ............................ 100
Fuel filler door ......................... 256 Refueling .............................. 256
Fuel pump shut off system..... 540
Fuses ........................................ 510
Garage door opener ................ 448
Gauges ....................................... 87
Glove box ................................. 427
Grocery bag hooks.................. 447
F
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659Alphabetical index
SIENNA_OM_OM08013U_(U)
Hands-free system (for cellular phone)
*............. 367
HDMI port
*
Head restraints ........................ 173
Headlights
Automatic High Beam system ......... ....................... 244
Discharge headlights
precautions ......................... 530
Light switch ........................... 239
Manual headlight leveling dial ...................................... 241
Replacing light bulbs..... 516, 518
Wattage ................................ 606
Heaters Front automatic air conditioning system ............ 408
Heated steering wheel .......... 420
Outside rear view mirrors...... 412
Rear automatic air conditioning system ............ 417
Seat heaters ......................... 420
Hill-start assist control............ 293
Hood ......................................... 479
Warning message ................. 552
Hooks Cargo .................................... 437
Grocery bag .......................... 447
Retaining hooks (floor mat)..... 24
Horn .......................................... 177 I/M test ...................................... 476
Identification
Engine .................................. 599
Vehicle .................................. 599
Ignition switch
(engine switch) .............. 225, 228
Illuminated entry system ........ 425
Indicators ................................... 82
Initialization Items to initialize ................... 632
Maintenance data ................. 471
Power back door................... 138
Power sliding door ................ 128
Tire pressure warning system .......... ...................... 493
Inside rear view mirror ............ 179
Interior lights ........................... 423 Wattage ................................ 606
Intuitive parking assist ........... 275 Function ................................ 275
Warning message................. 552
Jack Positioning a floor jack.......... 481
Vehicle-equipped jack .......... 569
Jack handle .............................. 571
Jam protection function
Moon roof ............................. 190
Power back door................... 138
Power sliding doors .............. 127
Power windows..................... 185
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