air conditioning Lexus GS450h 2015 Opening, closing and locking the doors and trunk / LEXUS 2015 GS450H FROM MAR. 2015 PROD. (OM30F70U) Owner's Guide

355
GS450h_OM_OM30F70U_(U)5-2. Using the air conditio ning system and defogger
5
Interior features
Rear air conditioning system
: If equipped
Air outlets and fan speed are automatica lly adjusted according to the
temperature setting.
Button lock display
Air outlet mode display
Temperature display
Temperature control Air outlet selector
Off
Automatic mode1
2
3
4
5
6
7

356
GS450h_OM_OM30F70U_(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 set to “AUTO” mode, the system is operated auto-
matically according to the set temperature, outside temperature, etc.
Using automatic air conditioning system
1
2

GS450h_OM_OM30F70U_(U)
3575-2. Using the air conditioning system and defogger
5
Interior features
■Adjusting the temperature setting
Press “” on to increase the temperature and “” to decrease
the temperature.
■Changing the air outlets
Press .
The air outlets change as follows each time is pressed.
Air flows as shown below according to the mode selected.
Upper body
Upper body and feet
Adjusting the settings manually

358
GS450h_OM_OM30F70U_(U)
5-2. Using the air conditioning system and defogger
Feet
Direct air flow to the left or
right, up or down.
Turn the knob to open or close
the vent.
Adjusting the position of and op ening and closing the air outlets
(Rear center outlets)
1
2

GS450h_OM_OM30F70U_(U)
3595-2. 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 but-
tons. Pressing 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
illumination on.
NOTICE
■To prevent 12-volt battery discharge
Do not leave the air conditioning system on longer than necessary when the hybrid
system is off.

360
GS450h_OM_OM30F70U_(U)
5-2. Using the air conditioning system and defogger
Rear window and outside rear view mirror
defoggers
On/off
The defoggers will automatically turn
off after 15 to 60 minutes. The opera-
tion time changes according to the
ambient temperature and vehicle
speed.
■Operating conditions
The power switch must be in the ON mode.
These features are used to defog th e rear window, and to remove rain-
drops, dew and frost from the outside rear view mirrors.
CAUTION
■When the outside rear view mirror defoggers are on
Do not touch the rear view mirror surfaces, as they can become very hot and burn
you.
NOTICE
■To prevent 12-volt battery discharge
Turn the defoggers off when the hybrid system is off.

362
GS450h_OM_OM30F70U_(U)
5-2. Using the air conditioning system and defogger
CAUTION
■When the windshield wiper de-icer is on
Do not touch the glass at the lower part of the windshield or to the side of the front
pillars as the surfaces can become very hot and burn you.

GS450h_OM_OM30F70U_(U)
3835-5. Other interior features
5
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 power switch is in ON mode.
■Automatic operation of the seat heater during Eco drive mode
Eco drive mode controls the heating operat ions and fan speed of the air conditioning
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. 3 4 9 )
■Button lock function (vehicles with rear control panel)
To prevent inadvertent operation, some buttons on the rear armrest can be locked.
( P. 3 5 9 )
Mode“AUTO” indicator lightLevel indicator lights
OffOffOff
Automatic*On3 to 1, or off
HiOff3
MidOff2
LoOff1

407
GS450h_OM_OM30F70U_(U)
6Maintenance and care
6-1. Maintenance and care Cleaning and protecting the vehicle exterior ................ 408
Cleaning and protecting the vehicle interior ................... 412
6-2. Maintenance Maintenance requirements .... 415
General maintenance ............... 418
Emission inspection and maintenance (I/M)
programs .................................... 422 6-3. Do-it-yourself maintenance
Do-it-yourself service precautions ................................ 423
Hood ............................................... 426
Positioning a floor jack ..............427
Engine compartment ............... 429
12-volt battery.............................. 439
Tires .................................................. 443
Tire inflation pressure ............... 453
Wheels ........................................... 456
Air conditioning filter ............... 458
Electronic key battery ..............460
Checking and replacing fuses .............................................. 462
Headlight aim ...............................477
Light bulbs..................................... 479

GS450h_OM_OM30F70U_(U)
4256-3. Do-it-yourself maintenance
6
Maintenance and care
CAUTION
The engine compartment contains many mechanisms and fluids that may move sud-
denly, become hot, or become electrically energized. To avoid death or serious
injury, observe the following precautions.
■When working on the engine compartment
●Make sure that the “POWER ON” on the multi-information display and the
“READY” indicator are both off.
●Keep hands, clothing and tools away from the moving fan and engine drive belt.
●Be careful not to touch the engine, power control unit, radiator, exhaust manifold,
etc. right after driving as they may be hot. Oil and ot her fluids may also be hot.
●Do not leave anything that may burn easily, such as paper and rags, in the engine
compartment.
●Do not smoke, cause sparks or expose an open flame to fuel. Fuel fumes are flam-
mable.
■When working near the electric cooling fans or radiator grille
Be sure the power switch is off.
With the power switch in ON mode, the electric cooling fans may automatically
start to run if the air conditioning is on and/or the coolant temperature is high.
(  P. 4 3 6 )
■Safety glasses
Wear safety glasses to prevent flying or falling material, fluid spray, etc. from get-
ting in your eyes.
NOTICE
■If you remove the air cleaner filter
Driving with the air cleaner filter removed may cause excessive engine wear due to
dirt in the air.