Lexus GS350 2020 Owner's Manual

GS350_GS F_OM_OM30J07U_(U)
3315-2. Using the air conditioning system and defogger
5
Interior features
■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. Press 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 battery discharge
Do not leave the air conditioni ng system on longer than necessary when the engine is
off.

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GS350_GS F_OM_OM30J07U_(U)5-2. Using the air conditioning system and defogger
Heated steering wheel/seat heaters/seat ventilators
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 engine switch is in IGNITION ON
mode.
●The heated steering wheel will automatically turn off after about 30 minutes.
: If equipped
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 battery discharge, do not use the functions when the engine is off.
Heated steering wheel (If equipped)

GS350_GS F_OM_OM30J07U_(U)
3335-2. Using the air conditioning system and defogger
5
Interior features
■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 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
Seat heaters (if equipped)/seat ventilators (if equipped)
Front seatsRear seats
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GS350_GS F_OM_OM30J07U_(U)5-2. Using the air conditio
ning system and defogger
●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 tem-
perature 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
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2
ModeLevel indicator lightsAutomatic operation*
OffOff
Hi3Hi  Mid  Lo
Mid2Mid  Lo
Lo1Lo

GS350_GS F_OM_OM30J07U_(U)
3355-2. Using the air conditioning system and defogger
5
Interior features
■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 vent ilators can be used when
The engine switch is in IGNITION ON mode.
■Seat heater control (vehicles without automatic mode)
The seat heater automatically changes operations. If the engine 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 be fore it is turned back on.
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ModeLevel indicator lights
OffOff
Hi3
Mid2
Lo1
Current operation
Starting operation mode and amount of time
elapsed until engine switch in IGNITION ON mode
0 to 15 minutesOver 15 minutes
HiHiHi
MidMidHi
LoLoHi

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GS350_GS F_OM_OM30J07U_(U)5-2. Using the air conditio
ning system and defogger
■Automatic operation of the seat heater during Eco drive mode
If the driving mode select swit ch is switched to Eco drive mo de in cold temperatures, the
seat heater may be automatically oper ated 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. 319)
■Button lock function (vehicle s with rear control panel)
To prevent inadvertent operation, some bu ttons on the rear armrest can be locked.
(  P. 331)
■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. 325)
■Rear control panel illumination off function (vehicles with rear control panel)
Control panel illumination on the re ar armrest can be turned off. (P. 331)
■Customization
The automatic mode settings for the front seat heaters and ventilators or the rear seat
heaters can be changed. (Customizable features:  P. 542)

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GS350_GS F_OM_OM30J07U_(U)5-3. Using the interior lights
5
Interior features
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. 95, 103)
Outer foot lights
Shift lever light
Front interior light ( P. 338)
Front personal lights ( P. 338)
Inside door handle lights Rear personal lights (
P. 338)
Rear interior light
Ornament lights
Door courtesy lights
Power window switch lights
Footwell lights1
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338
GS350_GS F_OM_OM30J07U_(U)5-3. Using the
interior lights
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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Personal lights

GS350_GS F_OM_OM30J07U_(U)
3395-3. Using the interior lights
5
Interior features
●Illuminated entry system: The lights automatically turn on/off according to engine
switch mode, the presence of the electronic key, whether the doors are locked/
unlocked, and whether the doors are opened/closed.
●If the interior lights remain on when the engine 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. 542)
NOTICE
To prevent battery discharge, do not leave th e lights on longer than necessary when the
engine is off.

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GS350_GS F_OM_OM30J07U_(U)5-4. Using the storage features
List of storage features
Cup holders (
P. 342)
Glove box ( P. 341)
Auxiliary boxes (if equipped) (P. 343)
Ashtrays (if equipped) ( P. 347) Auxiliary boxes (
P. 343)
Console box ( P. 341)
WARNING
●Do not leave glasses, lighters or spray cans in the storage spaces, as this may cause
the following when cabin temperature becomes high:
• Glasses may be deformed by heat or cracke d if they come into contact with other
stored items.
• Lighters or spray cans may explode. If they come into contact with other stored
items, the lighter may catch fire or the spray can may release gas, causing a fire
hazard.
●When driving or when the storage compartments are not in use, keep the lids closed.
In the event of sudden braking or sudden swerving, an accident may occur due to an
occupant being struck by an open lid or the items stored inside.
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