2018 Lexus GS450h Owner's Manual / LEXUS 2018 GS450H OWNER'S MANUAL (OM30G62U)

GS450h_OM_OM30G62U_(U)
2975-2. Using the air conditioning system and defogger
5
Interior features
■Air conditioning filter
→P. 380
■Customization
Settings (e.g. exhaust gas sensor sensitivity) can be changed.
(Customizable features: →P. 494)
WARNING
■To prevent the windshield from fogging up
●Do not use during cool air operation in extremely humid weather. The differ-
ence between the temperature of the outside air and that of the windshield can cause
the outer surface of the windshield to fog up, blocking your vision.
■To prevent burns
●Do not touch the rear view mirror surfaces when the outside rear view mirror defog-
gers are on.
●Vehicles with windshield wiper de-icer: Do not touch the glass at lower part of the
windshield or to the side of the front pill ars when the windshield wiper de-icer is on.
NOTICE
■To prevent 12-volt battery discharge
Do not leave the air conditioning system on longer than necessary when the hybrid sys-
tem is off.
●Do not place anything on the instrument
panel which may cover th e air outlets. Other-
wise, air flow may be obstructed, preventing
the windshield defoggers from defogging.

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GS450h_OM_OM30G62U_(U)
5-2. Using the air conditioning system and defogger
Rear air conditioning system∗
■Adjusting the temperature setting
Press “∧” on to increase the temperature and “ ∨” to decrease the
temperature.
■Changing the air outlets
Press .
The air outlets change as follows each time is pressed.
:Air flows to the upper body.
:Air flows to the upper body and feet.
:Air flows to the feet.
∗: If equipped
Air outlets and fan speed are automati cally adjusted according to the tem-
perature setting.
Control panel
Set automatic mode on/off
Turn the fan off Change the airflow mode
Adjust the temperature setting1
2
3
4

GS450h_OM_OM30G62U_(U)
2995-2. Using the air conditioning system and defogger
5
Interior features
Press .
The air conditioning system will operate, an d air outlets and fan speed will be adjusted
automatically.
“AUTO” will be displayed 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 th e 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.
■Adjusting the position of and opening and closing the air outlets
Direct air flow to the left or right,
up or down.
Turn the knob to open or close
the vent.
Using automatic air conditioning system
Air outlets
1
2
1
2

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GS450h_OM_OM30G62U_(U)
5-2. Using the air conditioning system and defogger
■Button lock function
■Rear control panel illumination off function To prevent inadvertent operation, the buttons on
the rear armrest can be locked. Press
until you hear a beep to lock the buttons. Press-
ing again until you hear a beep will
release the lock.
The indicator appears on the display when the
buttons are locked.
Control panel illumination on the rear armrest
can be turned off. Pr ess until you hear a
beep to turn the illumination off. Pressing
again until you hear a beep will turn the illumina-
tion on.
NOTICE
■To prevent 12-volt battery discharge
Do not leave the air conditioning system on longer than necessary when the hybrid sys-
tem is off.

301
GS450h_OM_OM30G62U_(U)5-2. Using the air conditio ning system and defogger
5
Interior features
Heated steering wheel/seat heaters/seat ventila-
tors
Heated steering wheel and seat heaters heat the side grips of the steering
wheel and seats, respectively. Seat ventilators maintain good airflow by blow-
ing air from the seats.
WARNING
●Care should be taken to prevent injury if anyone in the following categories comes in
contact with the steering wheel or seats when the heater is on:
• Babies, small children, the elderly, th e sick and the physically challenged
• Persons with sensitive skin
• Persons who are fatigued
• Persons who have taken alcohol or drugs that induce sleep (sleeping drugs, cold
remedies, etc.)
●Observe the following precautions to pr event the minor burns or overheating:
• Do not cover the seat with a blanket or cushion when using the seat heater.
• Do not use seat heater more than necessary.
NOTICE
●To prevent damage to the seat heaters/seat ventilators, do not put heavy objects that
have an uneven surface on the seat and do not stick sharp objects (needles, nails, etc.)
into the seat.
●To prevent 12-volt battery discharge, do not use the functions when the hybrid system
is off.

302
GS450h_OM_OM30G62U_(U)
5-2. Using the air conditioning system and defogger
Turns the heated steering wheel on/off
The indicator light comes on when the
heater is operating.
●The heated steering wheel can be used when the power switch is in ON mode.
●The heated steering wheel will automati cally turn off after about 30 minutes.
■Front seat heaters and ventilators/rear seat heaters
Seat heater switches
The indicator light (yellow) on the switch comes on when the seat heater is operating.
Seat ventilator switches (front seats only)
The indicator light (green) on the switch co mes on when the seat ventilator is operat-
ing.
Level indicator lights
The seat heater temperature level or the seat ventilator fan speed level (for front seats
only) is displayed.
“AUTO” indicator lights
Heated steering wheel
Seat heaters/seat ventilators
Front seatsRear seats (if equipped)
1
2
3
4

GS450h_OM_OM30G62U_(U)
3035-2. Using the air conditioning system and defogger
5
Interior features
●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.
■The seat heaters/seat vent ilators can be used when
The power switch is in ON mode.
■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 he ater may be automatically operated to assist
heating performance.
■Automatic operation during S-FLOW mode
The front seat heater and ventilator or the re ar seat heater may automatically turn off
when S-FLOW mode is turned on during automatic mode. (→P. 288)
■Button lock function (vehicle s with rear control panel)
To prevent inadvertent operation, some bu ttons on the rear armrest can be locked.
( → P. 300)
■When the switch is disabled (v ehicles with rear control panel)
When the rear control panel switch cannot be operated even though the button lock
function is released, check whether the switch is disabled due to selecting on
Remote Touch screen. ( →P. 294)
■Rear control panel illumination off function (vehicles with rear control panel)
Control panel illumination on the re ar armrest can be turned off. (→P. 300)
■Customization
The automatic mode settings for the front seat heaters and ventilators or the rear seat
heaters can be changed. (Customizable features: → P. 494)
Mode“AUTO” indicator lightLevel indicator lights
OffOffOff
Automatic*On3 to 1, or off
HiOff3
MidOff2
LoOff1

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5-3. Using the interior lights
Interior lights list
When the instrument panel light control switch is turned to minimum and the tail lights
are on, the inside door handle lights, th e ornament lights and the footwell lights will
turn off. ( →P. 91)
Outer foot lights
Shift lever light
Front interior light ( →P. 305)
Front personal lights ( →P. 305)
Inside door handle lights Rear personal lights (
→P. 305)
Rear interior light
Ornament lights
Door courtesy lights
Power window switch lights
Footwell lights1
2
3
4
5
6
7
8
9
10