heater Lexus GS300h 2013 User Guide

4885-2. Using the air conditioning system and defogger
GS450h_300h_OM_OM30D53E_(EE)
Disabling the switches on the rear armrest.
Select .
Rear seat heater switches (P.
704) are also locked.
Operates pollen removal mode
on/off.
Outside air mode switches to
(recirculated air) mode. Pol-
len is removed from the air and the
air flows to the upper part of the
body.
Usually the system will turn off
automatically after approximately
1 to 3 minutes.
Operates S-FLOW mode on/off.
When the S-FLOW mode button is
pressed, the airflow changes as fol-
lows.
Without rear air conditioning sys-
tem: Air flows to the front seats
only.
With rear air conditioning system:
Air flows to the front seats only,
and if the passenger seat is unoccu-
pied, the set temperature, outside
humidity and temperature inside
Pollen removal mode button
S-FLOW mode button

4975-2. Using the air conditioning system and defogger
5
Interior features
GS450h_300h_OM_OM30D53E_(EE)
Press .
The air conditioning system will operate, and air outlets and fan speed will
be adjusted automatically.
“AUTO” will be displayed on the control panel.
Press “” on to increase the temperature and “” to
decrease the temperature.
When the rear seat heaters are set to “AUTO” mode, the system is oper-
ated automatically according to the set temperature, outside temperature,
etc.
Adjusting the temperature setting
Press “” on to increase the temperature and “” to
decrease the temperature.
Using automatic air conditioning system
Adjusting the settings manually
1
2

7025-7. Other interior features
GS450h_300h_OM_OM30D53E_(EE)
Heated steering wheel
Turns the heater on/off
The indicator light comes on when
the heater is operating.
Operating condition
The power switch is in ON mode.
Timer
The heated steering wheel will automatically turn off after about 30 minutes.
: If equipped
The heated steering wheel heats the side grips of the steering
wheel.

7045-7. Other interior features
GS450h_300h_OM_OM30D53E_(EE)
Seat heaters/seat ventilators
: If equipped
The seat can be warmed and air from the seat can improve ventila-
tion.
Front seat heaters and ventilators (if equipped)/rear seat heat-
ers (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 comes on when the seat
ventilator is operating.
Level indicator lights
The seat heater temperature level
or the seat ventilator fan speed
level (for front seats only) is dis-
played.
“AUTO” indicator lights
Front seats
Rear seats
1
2
3
4

7065-7. Other interior features
GS450h_300h_OM_OM30D53E_(EE)
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 temperature when the seat heater was operated and other
factors.
Seat heaters (without seat ventilators) (if equipped)
1
2
ModeLevel indicator lightsAutomatic operation*
OffOff
Hi3Hi  Mid  Lo
Mid2Mid  Lo
Lo1Lo

7075-7. Other interior features
5
Interior features
GS450h_300h_OM_OM30D53E_(EE)
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:
Seat ventilators (without seat heaters) (if equipped)
1
2
ModeLevel indicator lights
OffOff
Hi3
Mid2
Lo1

7085-7. Other interior features
GS450h_300h_OM_OM30D53E_(EE)
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 operations. 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 con-
ditioning system to enhance fuel efficiency. 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. 488)
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

7095-7. Other interior features
5
Interior features
GS450h_300h_OM_OM30D53E_(EE)
Button lock function (vehicles with rear control panel)
To prevent inadvertent operation, some buttons on the rear armrest can be
locked. (P. 500)
When the switch is disabled (vehicles with rear control panel)
When the rear control panel switch cannot be operated even though the but-
ton lock function is released, check whether the switch is disabled due to
pressing on Remote Touch screen. (P. 488)
Rear control panel illumination off function (vehicles with rear control panel)
Control panel illumination on the rear armrest can be turned off. (P. 500)
Customization
The automatic operation of the front seat heaters (without seat ventilators)
and the automatic mode settings for the front seat heaters and ventilators or
the rear seat heaters can be changed. (Customizable features: P. 950)
CAUTION
Burns (vehicles with seat heaters)
Use caution when seating the following persons in a seat with the seat
heater on to avoid the possibility of burns:
• Babies, small children, the elderly, the sick and the physically chal-
lenged
• Persons with sensitive skin
• Persons who are fatigued
• Persons who have taken alcohol or drugs that induce sleep (sleeping
drugs, cold remedies, etc.)
Do not cover the seat with anything when using the seat heater.
Using the seat heater with a blanket or cushion increases the temperature
of the seat and may lead to overheating.
Do not use seat heater more than necessary. Doing so may cause minor
burns or overheating.

7105-7. Other interior features
GS450h_300h_OM_OM30D53E_(EE)
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
Turn the seat heaters/seat ventilators off when the hybrid system is off.

7276-1. Maintenance and care
6
Maintenance and care
GS450h_300h_OM_OM30D53E_(EE)
NOTICE
When cleaning the inside of the windshield (vehicles with LKA [Lane-
Keeping Assist])
Be careful not to touch the camera sensor (P. 338).
If the camera is accidentally scratched or hit, LKA may not operate prop-
erly or may cause a malfunction.
Cleaning the inside of the rear window
Do not use glass cleaner to clean the rear window, as this may cause dam-
age to the rear window defogger heater wires or antenna. Use a cloth
dampened with lukewarm water to gently wipe the window clean. Wipe
the window in strokes running parallel to the heater wires or antenna.
Be careful not to scratch or damage the heater wires or antenna.