2022 TOYOTA HIGHLANDER heating

3365-2. Using the air conditioning system and defogger
minates on the rear window
defogger and outside rear view mir-
ror defoggers switch.
The defoggers will automatically
turn off after a while.
■Windshield wiper de-icer
This feature is used to prevent
ice from building up on the wind-
shield and wiper blades.
Press the windshield wiper
de-icer switch.
When the windshield wiper de-icer
switch is on, the indicator illumi-
nates on the windshield wiper
de-icer switch.
The windshield wip er de-icer will
automatically turn of f after a period
of time.
■For quick cooling
Press the “MAX A/C” switch.
The air conditioning will automati-
cally turn on.
At this time, the fo llowing will occur:
●The recirculated air mode will be
set
●The windshield defogger will turn
off
●The air flow mode will change to
the upper body mode
●The fan speed will be set to high.
■Fogging up of the windows
●The windows will easily fog up
when the humidity in the vehicle is
high. Turning the “A/C” switch on
will dehumidify the air from the
outlets and defog the windshield
effectively.
●If you turn the “A/C” switch off, the
windows may fog up more easily.
●The windows may fog up if the
recirculated air mode is used.
■When driving on dusty roads
Close all windows. If dust thrown up
by the vehicle is still drawn into the
vehicle after closing the windows, it
is recommended that the air intake
mode be set to outside air mode and
the fan speed to a ny setting except
off.
■Outside/recirculated air mode
Setting to the recir culated air mode
temporarily is recommended in pre-
venting dirty air from entering the
vehicle interior and helping to cool
the vehicle when the outside air
temperature is high.
■Operation of the air condition-
ing system in Eco drive mode
In Eco drive mode, the air condition-
ing system is controlled to prioritize
fuel efficiency by regulating the
engine speed and compressor oper-
ation to restrict the heating/cooling
capacity.
To improve air conditioning perfor-
mance, perform the following opera-
tions:
●Adjust the fan speed
●Adjust the temperature setting
●Turn off Eco drive mode ( P.311)
■When the outside temperature
is low
The dehumidification function may
not operate even when the “A/C”
switch is pressed.
■Ventilation and air conditioning
odors
●To let fresh air in, set the air condi-
tioning system to the outside air
mode.
●During use, various odors from
inside and outside the vehicle may
enter into and accumulate in the
air conditioning system. This may
then cause odor to be emitted
from the vents.
●To reduce potential odors from
occurring: It is recommended that
the air conditioning system be set

3425-2. Using the air conditioning system and defogger
defog the windshield effectively.
●If you turn “A/C” off, the windows
may fog up more easily.
●The windows may fog up if the
recirculated air mode is used.
■When driving on dusty roads
Close all windows. If dust thrown up
by the vehicle is still drawn into the
vehicle after closing the windows, it
is recommended that the air intake
mode be set to outside air mode and
the fan speed to any setting except
off.
■Outside/recirculated air mode
●Setting to the r ecirculated air
mode temporarily is recom-
mended in preventing dirty air
from entering the vehicle interior
and helping to c ool the vehicle
when the outside air temperature
is high.
●Outside/recirculated air mode may
automatically switch depending on
the temperature setting or the
inside temperature.
■Operation of the air condition-
ing system in Eco drive mode
●In Eco drive mode, the air condi-
tioning system is controlled as fol-
lows to prioritize fuel efficiency:
• Engine speed and compressor operation controlled to restrict
heating/cooling capacity
• Fan speed restr icted when auto-
matic mode is selected
●To improve air co nditioning perfor-
mance, perform the following
operations:
• Adjust the fan speed
• Turn off Eco drive mode ( P.311)
■When the outside temperature
is low
The dehumidification function may
not operate even when the “A/C”
switch is pressed.
■Ventilation and air conditioning
odors
●To let fresh air in, set the air condi- tioning system to the outside air
mode.
●During use, various odors from
inside and outside the vehicle may
enter into and accumulate in the
air conditioning system. This may
then cause odor
to be emitted
from the vents.
●To reduce potential odors from
occurring:
• It is recommended that the air conditioning system be set to out-
side air mode prior to turning the
vehicle off.
• The start timing of the blower may be delayed for a short period of
time immediately after the air con-
ditioning system is started in auto-
matic mode.
●When parking, the system auto-
matically switches to outside air
mode to encourage better air cir-
culation throughout the vehicle,
helping to reduce odors that occur
when starting the vehicle.
■Air conditioning system opera-
tions when the engine is
stopped due to the Stop & Start
system (vehicles with Stop &
Start system)
When the engine is stopped due to
Stop & Start system operations, the
automatic air conditioning cooling,
heating and dehumidification func-
tions turn off and the fan speed is
decreased according to the outside
temperature etc. or air blowing
stops. To stop the air conditioning
system from turning off, press the
Stop & Start cancel switch and
refrain from using the Stop & Start
system.
■When the windshield is fogged
up and the engine is stopped
due to the Stop & Start system
(vehicles with Stop & Start sys-
tem)
Press the windshield defogger
switch to restart the engine and
defog the windshield.
If the windshield continuously fogs

3455-2. Using the air conditioning system and defogger
5
Interior features
When the windshield defogger
switch is on, the indicator illumi-
nates on the windshield defogger
switch.
■Defogging the rear window
and outside rear view mir-
rors
Defoggers are used to defog the
rear window and to remove rain-
drops, dew and frost from the
outside rear view mirrors.
Press the rear window defogger
and outside rear view mirror
defoggers switch.
When the rear window defogger
and outside rear view mirror defog-
gers switch is on, t he indicator illu-
minates on the rear window
defogger and outside rear view mir-
ror defoggers switch.
The defoggers will automatically
turn off after a while.
■Air conditioning system opera-
tions when the engine is
stopped due to the Stop & Start
system
When the engine is stopped due to
Stop & Start system operations, the
automatic air conditioning cooling,
heating and dehumidification func-
tions turn off and the fan speed is
decreased according to the outside
temperature etc. or air blowing
stops. To stop the air conditioning
system from turnin g off, press the
Stop & Start cancel switch and
refrain from using the Stop & Start
system.
■When the windshield is fogged
up and the engine is stopped
due to the Stop & Start system
Press the windshield defogger
switch to restart the engine and defog the windshield.
If the windshield continuously fogs
up, press the Stop & Start cancel
switch and refrain from using the
Stop & Start system.
■When an odor comes from the
air conditioning system while
the engine is stopped due to the
Stop & Start system
Press the Stop & Start cancel switch
to restart the engine.
■Air conditioning filter
 P.432
■Air conditioning system refrig-
erant
●A label regarding the refrigerant of
the air conditioning system is
attached to the h ood at the loca-
tion shown in the following illustra-
tion.
●The meaning of each symbol on
the label are as follows:
Caution
Air conditioning sys-
tem
Air conditioning sys-
tem lubricant type
Requires registered
technician to service
air conditioning sys-
tem
Flammable refrigerant

3485-2. Using the air conditioning system and defogger
■Operation of the air condition-
ing system in Eco drive mode
●In Eco drive mode, the air condi-
tioning system is controlled as fol-
lows to prioritize fuel efficiency:
• Engine speed and compressor operation controlled to restrict
heating/cooling capacity
• Fan speed restr icted when auto-
matic mode is selected
●To improve air co nditioning perfor-
mance, perform the following
operations:
• Adjust the fan speed
• Turn off Eco drive mode ( P.311)
• Turn off Eco air conditioning mode
●When the driving mode is set to
Eco driving mode, the air condi-
tioning eco mode will be turned on
automatically. Even in this case,
the air conditioning eco mode can
be turned off by pressing the Eco
air conditioning mode switch.
■When the outside temperature
is low
The dehumidification function may
not operate even when “A/C” is
pressed.
■Ventilation and air conditioning
odors
●To let fresh air in, set the air condi-
tioning system to the outside air
mode.
●During use, various odors from
inside and outside the vehicle may
enter into and a ccumulate in the
air conditioning system. This may
then cause odor to be emitted
from the vents.
●To reduce potential odors from
occurring:
• It is recommended that the air conditioning system be set to out-
side air mode prior to turning the
vehicle off.
• The start timing of the blower may
be delayed for a short period of
time immediately after the air con-
ditioning system is started in auto-
matic mode.
●When parking, the system auto-
matically switches to outside air
mode to encourage better air cir-
culation throughout the vehicle,
helping to reduce odors that occur
when starting the vehicle.
1 Press the automatic mode
switch.
The dehumidification function
begins to operate. Air outlets and
fan speed are automatically
adjusted according to the tempera-
ture setting and humidity.
2Adjust the temperature set-
ting.
3 To stop the operation, press
the “OFF” switch.
If the fan speed setting or air
flow modes are operated, the
automatic mode indicator goes
off. However, automatic mode
for functions other than that
operated is maintained.
■Using automatic mode
Fan speed is adjusted automati-
cally according to the temperature
setting and the am bient conditions.
Therefore, the fan may stop for a
while until warm or cool air is ready
to flow immediately after the auto-
matic mode switch is pressed.
This function automatically con-
trols the air conditioning airflow
so that priority is given to the
front seats. When the front pas-
Using automatic mode
Front seat concentrated
airflow mode (S-FLOW)

3595-2. Using the air conditioning system and defogger
5
Interior features
Vehicle with a 12.3-inch dis-
play
Vehicle with a 8-inch display
■Front (Toyota multi-opera-
tion touch: Vehicle with a
12.3-inch display)
Select to display the seats
climate screen.
Each time the switch is selected,
the operation condition changes
as follows.
Hi (3 segments lit) Mid (2 seg-
ments lit) Lo (1 segment
lit) Off
The level indicator (red) lights
up during operation.
■Rear
Each time the switch is pressed,
the operation condition changes
as follows.
Hi (3 segments lit) Mid (2 seg-
ments lit) Lo (1 segment
lit) Off
The level indicator (amber)
lights up during operation.
■Operation condition
The engine switch is in ON.
WARNING
■To prevent overheating and
minor burn injuries
Observe the following precautions
when using the seat heaters.
●Do not cover the seat with a
blanket or cushion when using
the seat heater.

4937-2. Steps to take in an emergency
7
When trouble arises1Stop the vehicle in a safe
place and turn off the air con-
ditioning system, and then
stop the engine.
2 If you see steam:
Carefully lift the hood after
the steam subsides.
If you do not see steam:
Carefully lift the hood.
3 After the engine has cooled
down sufficiently, inspect the
NOTICE
■When handling jumper cables
When connecting the jumper
cables, ensure that they do not
become entangled in the cooling
fan or engine drive belt.
If your vehicle over-
heats
The following may indicate
that your vehicle is over-
heating.
 The needle of the engine
coolant temperature gauge
( P.81) enters the red zone
or a loss of engine power is
experienced. (For example,
the vehicle speed does not
increase.)
 “Engine Coolant Temp High
Stop in a Safe Place See
Owner’s Manual” is shown
on the multi-information dis-
p l a y.
 Steam comes out from
under the hood.
Correction procedures

553Alphabetical Index
Clock ................................... 81, 84
Coat hooks .............................. 382
Condenser .............................. 414
Console box ............................ 365
Consumption screen.............. 108
Conversation mirror ............... 384
Cooling system ...................... 413Engine overheating .............. 494
Cruise control Dynamic radar cruise control with full-speed range .......... 257
Cup holders ............................ 366
Current fuel consumption . 86, 94
Curtain shield airbags ............. 34
Customizable features ........... 521
D
Daytime running light system216 Replacing light bulbs ............ 439
Defogger Outside rear view mirrors ... 335, 341, 345
Rear window ........ 335, 341, 345
Windshield............ 335, 341, 344
Differential Rear differential oil ............... 504
Digital Rearview Mirror .......... 155
Dimension ............................... 500
Dinghy towing ........................ 201
Display Dynamic radar cruise control with full-speed range .......... 257
Head-up display ................... 103
Intuitive parking assist .......... 284
LTA (Lane Tracing Assist) ..... 252
Multi-information display .. 84, 93
RCTA .................................... 293
Toyota Multi-operation touch 332
Warning message ................ 467
Distance until next engine oil change..................................... 83
Do-it-yourself maintenance ... 401 Door courtesy lights...............361
Door lock
Back door .............................121
Side doors ............................ 117
Smart key system .................133
Wireless remote control........ 115
Doors Automatic door locking and unlocking system ................120
Back door .............................121
Door glasses ........................167
Door lock ..............................121
Open door warning buzzer . 118, 120
Outside rear view mirrors .....165
Rear door child-protectors ....120
Downhill assist control system ...............................................316
Drive distance .....................88, 97
Drive information .. ..............88, 97
Driver’s seat position memory Driving position memory .......147
Memory recall function .........149
Drive-start control ..................180
Driving Break-in tips .........................180
Correct driving posture ...........25
Driving mode select switch ... 311
Procedures ...........................179
Winter drive tips....................324
Driving information display85, 94
Driving mode select switch ... 311
Driving position memory .......147 Memory recall function .........149
Driving range ................86, 94, 95
Driving support system informa- tion display........................87, 97
Dynamic radar cruise control with full-speed range............257Warning message.................267
Dynamic Torque Control AWD system ...................................319

554Alphabetical Index
Dynamic Torque Vectoring AWD system ................................... 319
E
Eco drive mode ...................... 311
Eco Driving Indicator . 86, 95, 106
Eco Driving Indicator Light86, 95
EDR (Event data recorder)......... 8
Elapsed time ....................... 88, 97
Electric Power Steering (EPS) ............................................... 318Warning light ........................ 458
Electronic key ......................... 114 Battery-saving function......... 134
If the electronic key does not operate properly ................. 488
Replacing the battery ........... 434
Electronic roof sunshade Jam protection function ........ 174
Operation ............................. 173
Emergency flashers ............... 448
Emergency, in case of If a warning buzzer sounds .. 456
If a warning light turns on ..... 456
If a warning message is dis-played................................. 467
If the battery is discharged ... 490
If the electronic key does not operate properly ................. 488
If the engin e will not start ..... 485
If the fuel filler door cannot be opened ............................... 487
If the vehicle is submerged or water on the road is rising .. 449
If you have a flat tire ............. 471
If you lose your keys ............ 486
If you think something is wrong ........................................... 454
If your vehicle becomes stuck ........................................... 496
If your vehicle has to be stopped in an emergency................. 448 If your vehicle needs to be towed
...........................................451
If your vehicle ove rheats ......494
Engine ACCESSORY mode . ............204
Compartment........................410
Engine switch .......................202
Fuel pump shut off system ...455
Hood .....................................408
How to start the engine ........202
Identification number ............501
If the engine will not start......485
If your vehicle has to be stopped in an emergency .................448
Ignition switch (engine switch) ...........................................202
Overheating ..........................494
Tachometer.............................81
Engine coolant Capacity ...............................503
Checking ..............................413
Preparing and checking before winter ..................................324
Engine coolant temperature gauge .......................................81
Engine immobilizer system .....71
Engine oil Capacity ...............................502
Checking ..............................410
Preparing and checking before winter ..................................324
Warning light.........................457
Engine oil maintenance data .412
Engine switch .........................202 Auto power off fun ction .........205
Changing the engine switch modes.................................204
If your vehicle has to be stopped in an emergency .................448
EPS (Electric Po wer Steering)
...............................................318 Warning light.........................458