2017 Lexus GS F heater

4125-2. Using the air conditio ning system and defogger
GS350_200t_GS F_OM_OM30F83E_(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 engine switch is in IGNITION 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
1
2
3
4

413
5-2. Using the air conditioning system and defogger
5
Interior features
GS350_200t_GS F_OM_OM30F83E_(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

4145-2. Using the air conditio ning system and defogger
GS350_200t_GS F_OM_OM30F83E_(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:
1
2
ModeLevel indicator lights
OffOff
Hi3
Mid2
Lo1

415
5-2. Using the air conditioning system and defogger
5
Interior features
GS350_200t_GS F_OM_OM30F83E_(EE)
■The seat heaters/seat ventilators can be used when
The engine switch is in IGNITION ON mode.
■Seat heater control (vehicles without automatic mode)
The seat heater automatically changes operatio ns. 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 before it is turned back on.
■Automatic operation of the seat heater during Eco drive mode
If the driving mode select switch is switched to Eco drive mode in cold temperatures, the
seat heater may be automatically operated to assist heating performance.
■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. 397)
■Button lock function (vehicle s with rear control panel)
To prevent inadvertent operation, some bu ttons on the rear armrest can be locked.
(  P. 410)
■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 sw itch is disabled due to selecting on
Remote Touch screen. ( P. 403)
■Rear control panel illumination off function (vehicles with rear control panel)
Control panel illumination on the rear armrest can be turned off. ( P. 410)
■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 can
be changed. (Customizable features: P. 647)
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

5507-2. Steps to take in an emergency
GS350_200t_GS F_OM_OM30F83E_(EE)
(If equipped)
Indicates that the PCS (Pre-Crash Safety system) is tem-
porarily unavailable
A buzzer also sounds.
 When conditions improve, the system resumes
operation. If this item is displayed continuously, have
the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
Air conditioning, heater and other operations are tem-
porarily limited due to high power consumption Turn off unnecessary electronic equipment to
reduce power consumption. Please wait until the
power supply returns to normal.
If this item is frequently displayed, have the vehicle
inspected at your any authorized Lexus retailer or
Lexus authorized repairer, or any reliable repairer
immediately.
(If equipped)
Indicates that part of the PC S (Pre-Crash Safety system)
sensor is dirty, covered with ice, etc.
A buzzer also sounds.
 Remove any dirt, ice, etc.
Warning messageDetails/Actions
(Flashes)
(Flashes)
(Flashes)

6468-2. Customization
GS350_200t_GS F_OM_OM30F83E_(EE)
■Automatic air conditioning system (P. 396)
■Front seat heaters (without seat ventilators) * ( P. 413)
* : If equipped
FunctionDefault
settingCustomized setting
Switching between outside air
and recirculated air mode
linked to “AUTO” switch * oper-
ation
OnOffO—O
A/C Auto switch operationOnOffO—O
Exhaust gas sensor sensitivityStandard-3 to 3O—O
* : This is the switch for turning on and off the auto-
matic mode of the air conditioning system, not
the outside air or recirculated mode switch.
123
FunctionDefaultsettingCustomized setting
Automatic operation of front
seat heaterOffOn——O
123

647
8
8-2. Customization
Vehicle specifications
GS350_200t_GS F_OM_OM30F83E_(EE)
■Front seat heaters and ventilators*1
/rear seat heaters *2
( P. 412)
* 1
: If both are equipped
* 2
:If equipped
FunctionDefault
settingCustomized setting
Adjustment of the front seat
heater temperature or the ven-
tilator fan speed during auto-
matic operation (individual seat
adjustment available)
Level 3
(standard)Level 1 (low) to level 5 (high)O—O
Adjustment of the rear seat
heater temperature during
automatic operation (individual
seat adjustment available)Level 3
(standard)Level 1 (low) to level 5 (high)O—O
Rear seat heater start-up con-
ditions when the engine switch
is in the IGNITION ON mode
(individual seat adjustment
available)
OffOn (AUTO)O—O
123

660Alphabetical index
GS350_200t_GS F_OM_OM30F83E_(EE)
Card key.................................................... 154
Care ............................................... 440, 444
Aluminum wheels ................................441
Exterior....................................................440
Interior ..................................................... 444
Seat belts ................................................445
Cargo hooks........................................... 424CD player *
Chains ...................................................... 385
Child restraint system ............................ 64 Baby seats, definition .......................... 65
Baby seats, installation ........................77
Child seats, definition.......................... 65
Child seats, installation........................77
Installing CRS with ISOFIX
rigid anchors........................................80
Installing CRS with seat belts...........77
Installing CRS with top strap ............81
Junior seats, definition ........................ 65
Junior seats, installation ..................... 79 Child safety ................................................ 63
Airbag precautions ............................. 53
Battery precautions............... 469, 601
Child restraint system .........................64
How your child should
wear the seat belt...................... 47, 48
Installing child restraints .....................76
Moon roof precautions .................. 220
Power window lock switch ............ 214
Power window precautions........... 216
Rear door child-protectors ............ 163
Removed electronic key battery precautions....................... 492
Seat belt comfort guide...................... 47
Seat belt precautions.......................... 50
Seat heater precautions ..................... 411
Trunk precautions .............................. 169
Child-protectors ....................................163
Cleaning........................................440, 444 Aluminum wheels................................ 441
Exterior ................................................... 440
Interior..................................................... 444
Seat belts ............................................... 445
C