2019 LEXUS GS300H Owners Manual

361
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5-2. Using the air conditioning system and defogger
Interior features
GS450h_300h_OM_OM30F92E_(EE)
Heated steering wheel/seat heaters/seat ventilators
: If equipped
Heated steering wheel and seat heaters heat the side grips of the steering
wheel and seats, respectively. Seat vent ilators 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 and seats when the heater is on:
• Babies, small children, the elderly, the 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 prevent 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 thathave 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 systemis off.

3625-2. Using the air conditioning system and defogger
GS450h_300h_OM_OM30F92E_(EE)
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 automatically turn off after about 30 minutes.
■Front seat heaters and ventilators (if equipped)/rear seat heaters (if
equipped)
Seat heater switches
The indicator light (yellow) on the switch comes on when the seat heater is operat- ing.
Seat ventilator switches (front seats only)
The indicator light (green) on the switch co mes on when the seat ventilator is oper-
ating.
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 (if equipped)
Seat heaters/seat ventilators
Front seatsRear seats
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2
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4

3635-2. Using the air conditioning system and defogger
5
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

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

3655-2. Using the air conditioning system and defogger
5
Interior features
GS450h_300h_OM_OM30F92E_(EE)
■Automatic operation during S-FLOW mode
The front seat heater and ventilator or the rear seat heater may automatically turn off when S-FLOW mode is turned on during automatic mode. ( P. 347)
■Button lock function (vehicles with rear control panel)
To prevent inadvertent operation, some bu ttons on the rear armrest can be locked. ( P. 360)
■When the switch is disabled (vehicles with rear control panel)
When the rear control panel switch cannot be operated even though the button lock
function is released, check whether the sw itch is disabled due to selecting on
Remote Touch screen. ( P. 353)
■Rear control panel illumination off function (vehicles with rear control panel)
Control panel illumination on the rear armrest can be turned off. ( P. 360)
■Customization
The automatic operation of the front seat heaters (without seat ventilators) and the auto- matic mode settings for the front seat heaters and ventilators or the rear seat heaters canbe changed. (Customizable features: P. 572)

3665-3. Using the interior lights
GS450h_300h_OM_OM30F92E_(EE)
Interior lights list
When the instrument panel light control swit ch 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. 107)
Outer foot lights
Shift lever light
Front interior light ( P. 367)
Front personal lights ( P. 367)
Inside door handle lights
Rear personal lights ( P. 367)
Rear interior light
Ornament lights
Door courtesy lights
Power window switch lights
Footwell lights
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7
8
9
10

3675-3. Using the interior lights
5
Interior features
GS450h_300h_OM_OM30F92E_(EE)
Turns the lights on/off
The rear interior light is also turned on/ off.
Turns the door position on/off
■Front
Turns the light on/off
■Rear
Turns the light on/off
Interior lights
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2
Personal lights

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.