2015 Lexus GS350 heater

GS350_OM_OM30E15U_(U)
3175-2. Using the air conditioning system and defogger
5
Interior features
■Registering air conditioning settings to electronic keys
●Unlocking the vehicle using an electronic key and turning the engine switch to
IGNITION ON mode will recall that ke y’s registered air conditioning settings.
●When the engine switch is turned off, the current air conditioning settings will auto-
matically be registered to the electronic key that was used to unlock the vehicle.
The system may not operate correctly if more than one electronic key is in the vicinity
or if the smart access system with push-button start is used to unlock a passenger
door.
Settings for the electronic key and the co rresponding door can be changed. Contact
your Lexus dealer.
■Using automatic mode
●Fan speed is adjusted automatically according to the temperature setting and the
ambient conditions.
Therefore, the fan may stop for a while until warm or cool air is ready to flow imme-
diately after is pressed.
●Cool air may blow around the upper body even when the heater is on due to sun-
light.
■Humidity sensor
A sensor, which detects humidity inside the
vehicle and the temperature of the wind-
shield, is provided to detect fog on the front
windscreen. Due to the sensor, when auto-
matic mode is set the air conditioning may
make the following controls:
●Changing the amount of air flow
●Changing the amount of air introduced from
outside when in outside air mode with the air
vents in the position
●Changing the settings of the air vents to
when the is set

322
GS350_OM_OM30E15U_(U)
5-2. Using the air conditioning system and defogger
Press .
The air conditioning system will operat e, 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 s et to “AUTO” mode, the system is
operated automatically according to the set temperature, outside tem-
perature, etc.
Using automatic air conditioning system
1
2

347
GS350_OM_OM30E15U_(U)5-5. Other interior features
5
Interior features
Heated steering wheel
Turns the heater on/off
The indicator light comes on when the
heater is operating.
■Operating condition
The engine switch is in IGNITION 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.

349
GS350_OM_OM30E15U_(U)5-5. Other interior features
5
Interior features
Seat heaters/s e a t v e n t i l a t o r s
: If equipped
The seat can be warmed and air from the seat can improve ventilation.
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 comes on when the seat venti-
lator is operating.
Level indicator lights
The seat heater temperature level or
the seat ventilator fan speed level (for
front seats only) is displayed.
“AUTO” indicator lights
Front seats
Rear seats
1
2
3
4

350
GS350_OM_OM30E15U_(U)
5-5. Other interior features
■Modes and indicators
The mode can be changed by pressing the switch.
*: When automatic mode is selected, the level automatically changes depending onthe air conditioning settings.
■The seat heaters/seat ventilators can be used when
The engine switch is in IGNITION ON mode.
■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 op erated 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. 315)
■Button lock function (vehicles with rear control panel)
To prevent inadvertent operation, some buttons on the rear armrest can be locked.
( P. 3 2 5 )
Mode“AUTO” indicator lightLevel indicator lights
OffOffOff
Automatic*On3 to 1, or off
HiOff3
MidOff2
LoOff1

GS350_OM_OM30E15U_(U)
3515-5. Other interior features
5
Interior features
■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 switch is disabled due to selecting
on Remote Touch screen. (P. 3 1 4 )
■Rear control panel illumination off function (vehicles with rear control panel)
Control panel illumination on the rear armrest can be turned off. ( P. 325)
■Customization
The automatic mode settings for the front seat heaters and ventilators or the rear
seat heaters can be changed. (Customizable features: P. 5 6 1 )
CAUTION
■Burns
●Use caution when seating the following pers ons in a seat with the seat heater on
to avoid the possibility of burns:
• 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.)
●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.

352
GS350_OM_OM30E15U_(U)
5-5. Other interior features
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
Turn the seat heaters/seat ventilators off when the engine is off.

382
GS350_OM_OM30E15U_(U)
6-1. Maintenance and care
NOTICE
■Cleaning detergents
●Do not use the following types of detergent, as they may discolor the vehicle inte-
rior or cause streaks or damage to painted surfaces:
• Non-seat portions: Organic substances such as benzene or gasoline, alkalineor acidic solutions, dye, and bleach
• Seats: Alkaline or acidic solutions, such as thinner, benzene, and alcohol
●Do not use polish wax or polish cleaner. The instrument panel’s or other interior
part’s painted surf ace may be damaged.
■Preventing damage to leather surfaces
Observe the following precautions to avoid damage to and deterioration of
leather surfaces:
●Remove any dust or dirt from leather surfaces immediately.
●Do not expose the vehicle to direct sunlight for extended periods of time. Park
the vehicle in the shade, especially during summer.
●Do not place items made of vinyl, plastic, or containing wax on the upholstery, as
they may stick to the leather surface if the vehicle interior heats up significantly.
■Water on the floor
Do not wash the vehicle floor with water.
Vehicle systems such as the audio syst em may be damaged if water comes into
contact with electrical components such as the audio system above or under the
floor of the vehicle. Water may also cause the body to rust.
■When cleaning the inside of the windsh ield (vehicles with LKA [Lane-Keeping
Assist])
Be careful not to touch the camera sensor ( P. 2 3 4 ) .
If the camera is accidentally scratched or hit, LKA may not operate properly 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 damage 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.