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3475-2. Using the air conditioning system and defogger
5
Interior features
GS450h_300h_OM_OM30F92E_(EE)
■Adjusting the temperature setting
Press “ ”on to increase the temperature and “” to decrease the tem-
perature.
Without rear air conditioning system
When “DUAL” on the control screen is selected or the passenger’s side tem-
perature control button is pressed, the temperature for the driver and passen-
ger seats can be adjusted separately.
With rear air conditioning system
When “3-ZONE” on the control screen is selected or the passenger’s side
temperature control button is pressed, the temperature for the driver’s, front
passenger’s and rear seats ( P. 358) can be adjusted separately.
The air conditioning system switches between individual and simultaneous modes
each time 3-ZONE is selected.
■Adjusting the fan speed setting
Press to increase the fan speed and to decrease the fan speed.
Press the “OFF” button to turn the fan off.
■Change the airflow mode
To change the air outlets, press .
The air outlets used are switched each time the button is pressed. ( P. 348)
■S-FLOW mode
Press .
When is pressed, the airflow changes as follows.
Without rear air conditioning system: Air flows to the front seats only.*
With rear air conditioning system: Air flow s to the front seats only, and if the pas- senger seat is unoccupied, the set temperature, outside humidity and temperature
inside the cabin are assessed, and ai r flows to the driver seat only.*
*: Air may also flow to the rear seats depending on the situation.
■Other functions
●Switching between outside air and recirculated air modes ( P. 351)
●Defogging the windshield (P. 352)
●Defogging the rear window and outside rear view mirrors (P. 352)
Page 351 of 600

3515-2. Using the air conditioning system and defogger
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Interior features
GS450h_300h_OM_OM30F92E_(EE)
■Using the automatic mode
Press or select “AUTO” on the control screen.
Also, when selecting “FAST/ECO” or each time, the fan speed mode will be changed as follows:
“NORMAL” “ECO” “FAST”
Press to switch to automatic air intake mode.
The air conditioning system automatically switches between outside air and recir-
culated air modes.
Adjust the temperature setting. ( P. 347)
To stop the operation, press the “OFF” button.
Air outlets and fan speed for the driver an d passenger seats may be adjusted sepa- rately depending on the temperature setting.
When the front seat heaters and ventilators/rear seat heaters are set to AUTO
mode, the system is operated automatically according to the set temperature, out- side temperature, etc.
■Automatic mode indicator
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.
■Switching between outside air and recirculated air modes
Press .
The mode switches among (recirculated air mode), automatic and (outside air mode) modes each time the button is pressed.
When the system is switched to automatic mode, the air conditioning system oper-
ates automatically.
Air conditioning control
Other functions
1
2
3
Page 352 of 600

3525-2. Using the air conditioning system and defogger
GS450h_300h_OM_OM30F92E_(EE)
■Defogging the windshield
Defoggers are used to defog the windshield and front side windows.
Press .
Set the outside/recirculated air mode button to outside air mode if the recirculated air mode is used. (It may switch automatically.)
To defog the windshield and the side windows early, turn the air flow and tempera- ture up.
To return to the previous mode, press again when the windshield is
defogged.
■Defogging the rear window and outside rear view mirrors
Defoggers are used to defog the rear window and to remove raindrops, dew
and frost from the outside rear view mirrors.
Press .
The defoggers will automatically turn off after 15 to 60 minutes. The operation
time changes according to the ambient temperature and vehicle speed.
■Windshield wiper de-icer (if equipped)
This feature is used to prevent ice fr om building up on the windshield and
wiper blades.
Select on the option control screen.
The windshield wiper de-icer will automa tically turn off after approximately 15 minutes
■Pollen removal mode
Pollen is removed from the air and the ai r flows to the upper part of the body.
Select on the option control screen.
Usually the system will turn off automatically.
In order to prevent the windshield from fo gging up when the outside air is cold, the dehumidification function may operate.
The pollens are filtered out even if the pollen removal mode is turned off.
Page 353 of 600

3535-2. Using the air conditioning system and defogger
5
Interior features
GS450h_300h_OM_OM30F92E_(EE)
Select on the control screen to display the rear air conditioning control
screen.
■Using the automatic mode
Select “REAR AUTO” on the screen.
The air conditioning system will operate, and air outlets and speed will be set auto-
matically.
When the rear seat heaters are set to automatic mode, the system is operated automatically according to the set temperature, outside temperature, etc.
Adjust the temperature setting.
To stop the operation, select “REAR OFF”.
■Adjusting the temperature setting
Select to increase the temperature and to decrease the tempera-
ture.
The air conditioning system switches between individual and simultaneous modes each time “3-ZONE” on the control screen is selected.
■Disabling the switches on the rear armrest.
Select .
Rear seat heater switches ( P. 362) are also locked.
■Location of air outlets
The air outlets and air volume
changes according to the selected
air flow mode.
Changing the rear seat settings (w ith rear air conditioning system)
Air outlets
1
2
Page 359 of 600
3595-2. Using the air conditioning system and defogger
5
Interior features
GS450h_300h_OM_OM30F92E_(EE)
■Changing the air outlets
Press .
The air outlets change as follo ws each time is pressed.
: Air flows to the upper body.
: Air flows to the upper body and feet.
: Air flows to the feet.
Press .
The air conditioning system will operate, and air outlets and fan speed will be adjusted automatically.
“AUTO” will be displaye d on the control panel.
Adjust the temperature setting.
When the rear seat heaters are set to “AUTO” mode, the system is operated automat-
ically according to the set temperature, outside temperature, etc.
To stop the operation, press the “OFF” button.
■Location of air outlets
The air outlets and air volume
changes according to the selected
air flow mode.
Using automatic air conditioning system
Air outlets
1
2
Page 363 of 600
3635-2. Using the air conditioning system and defogger
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Interior features
GS450h_300h_OM_OM30F92E_(EE)
●Modes and indicators
The mode can be changed by pressing the switch.
*: When automatic mode is selected, the leve l automatically changes depending on the
air conditioning settings.
■Seat heaters (without seat ventilators) (if equipped)
Seat heater switches
Level indicator lights
The seat heater temperature level is
displayed.
●Modes and indicators
The mode changes each time the switch is pressed as follows:
*: The mode changes automatically depending on the amount of time that has elapsed.
The amount of time until the mode changes varies depending on the interior tempera-
ture when the seat heater was operated and other factors.
Mode“AUTO” indicator lightLevel indicator lights
OffOffOff
Automatic*On3 to 1, or off
HiOff3
MidOff2
LoOff1
1
2
ModeLevel indicator lightsAutomatic operation*
OffOff
Hi3Hi Mid Lo
Mid2Mid Lo
Lo1Lo
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3645-2. Using the air conditioning system and defogger
GS450h_300h_OM_OM30F92E_(EE)
■Seat ventilators (without seat heaters) (if equipped)
Seat ventilator switches
Level indicator lights
The seat ventilator fan speed level is displayed.
●Modes and indicators
The mode changes each time the switch is pressed as follows:
■The seat heaters/seat ventilators can be used when
The power switch is in ON mode.
■Seat heater control (vehicles without automatic mode)
The seat heater automatically changes operatio ns. If the power switch is turned off while the seat heater is operating, the starting operation of the heater differs depending on the
amount of time that elapses before it is turned back on.
■Automatic operation of the seat heater during Eco drive mode
Eco drive mode controls the heating operations and fan speed of the air conditioning system to enhance fuel efficiency. If the driv ing mode select switch is switched to Eco drive mode in cold temperatures, the seat heater may be automatically operated to assist
heating performance.
1
2
ModeLevel indicator lights
OffOff
Hi3
Mid2
Lo1
Current operation
Starting operation mode and amount of time elapsed
until power switch in ON mode
0 to 15 minutesOver 15 minutes
HiHiHi
MidMidHi
LoLoHi
Page 368 of 600
3685-3. Using the interior lights
GS450h_300h_OM_OM30F92E_(EE)
●Illuminated entry system: The lights automatically turn on/off according to power switch mode, the presence of the electronic key, whether the doors are locked/unlocked, andwhether the doors are opened/closed.
●If the interior lights remain on when the powe r switch is turned off, the lights will go off automatically after 20 minutes.
●Setting (e.g. the time elapsed before lights turn off) can be changed.
(Customizable features: P. 561)
NOTICE
To prevent 12-volt battery discharge, do not leave the lights on longer than necessary when the hybrid system is off.