2014 Lexus GS350 air condition

GS350_OM_OM30D41U_(U)
3735-2. 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 battery discharge
Do not leave the air conditioning system on longer than necessary when the
engine is off.

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GS350_OM_OM30D41U_(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 engine switch must be in the IGNITION 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 battery discharge
Turn the defoggers off when the engine is off.

375
GS350_OM_OM30D41U_(U)5-2. Using the air conditio ning system and defogger
5
Interior features
Windshield wiper de-icer
Press the “MENU” button on the Remote Touch. ( P. 312)
Select “Climate” on the “Menu”
screen.
ON/OFF
Select to turn on the windshield
wiper de-icer. The windshield wiper
de-icer will automatically turn off after
approximately 15 minutes. Selecting again also turns the de-icer off.
■Operating conditions
The engine switch must be in the IGNITION ON mode.
: If equipped
This feature is used to prevent ice from building up on the windshield
and wiper blades.
1
2
3
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.

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5-4. Using the hands-free phone system (for cellular phone)
■When using the hands-free system
●The audio system is muted when making a call.
●If both parties speak at the same time, it may be difficult to hear.
●If the incoming call volume is overly loud, an echo may be heard.
●Try to face toward the microphone as much as possible when speaking.
●In the following circumstances, it may be difficult to hear the other party:
• When driving on unpaved roads
• When driving at high speeds
• If a window is open
• If the air conditioning is blowing directly on the microphone
• If the air conditioning is set to high
• There is an effect from the network of the cellular phone
■Conditions under which the system will not operate
●If using a cellular phone that does not support Bluetooth®
●If the cellular phone is turned off
●If you are outside service range
●If the cellular phone is not connected
●If the cellular phone’s battery is low
■Bluetooth® antenna
The antenna is built into the instrument panel. If the cellular phone is behind the seat
or in the console box, or touching or covered by metal objects, connection status
may deteriorate.
■Battery charge/Signal status
●This display may not correspond exact ly with the cellular phone itself.
●When the cellular phone is not connected, “No connect” is displayed.
●When the cellular phone is out of the service area or in a place inaccessible by
radio waves, “No Service” is displayed.
■When using Bluetooth® audio and hands-free system at the same time
The following problems may occur.
●The Bluetooth® connection may be cut.
●Noise may be heard on the Bluetooth® audio playback.

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5-7. 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. 3 6 3 )
■Button lock function (vehicles with rear control panel)
To prevent inadvertent operation, some buttons on the rear armrest can be locked.
( P. 3 7 3 )
Mode“AUTO” indicator lightLevel indicator lights
OffOffOff
Automatic*On3 to 1, or off
HiOff3
MidOff2
LoOff1

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Maintenance and care6
6-1. Maintenance and care Cleaning and protecting the vehicle exterior................ 608
Cleaning and protecting the vehicle interior .................... 612
6-2. Maintenance Maintenance requirements .....615
General maintena nce ............... 618
Emission inspection and maintenance (I/M)
programs .................................... 622
6-3. Do-it-yourself maintenance Do-it-yourself service precautions ................................ 623
Hood ............................................... 626
Positioning a floor jack ..............627
Engine compartment ............... 629
Tires .................................................. 642
Tire inflation pressure ............... 652
Wheels ........................................... 655
Air conditioning filter ............... 657
Electronic key battery .............. 659
Checking and replacing fuses ................................................661
Headlight aim ............................... 674
Light bulbs...................................... 676

GS350_OM_OM30D41U_(U)
6256-3. 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
●Keep hands, clothing and tools away from the moving fan and engine drive belt.
●Be careful not to touch the engine, radiator, exhaust manifold, etc. right after driv-
ing as they may be hot. Oil and other 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 or the battery. Fuel
and battery fumes are flammable.
●Be extremely cautious when working on the battery. It contains poisonous and
corrosive sulfuric acid.
■When working near the electric cooling fans or radiator grille
Be sure the engine switch is off.
With the engine switch in IGNITION ON mode, the electric cooling fans may
automatically start to run if the air conditioning is on and/or the coolant tempera-
ture is high. ( P. 6 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.

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6-3. Do-it-yourself maintenance
■If the tread on snow tires wears down below 0.16 in. (4 mm)
The effectiveness of the tires as snow tires is lost.
■Situations in which the tire pressure warning system may not operate properly
●In the following cases, the tire pressure warning system may not operate properly.
• If non-genuine Lexus wheels are used.
• A tire has been replaced with a tire that is not an OE (Original Equipment) tire.
• A tire has been replaced with a tire that is not of the specified size.
• Tire chains etc. are equipped.
• Lock nuts are equipped.
• An auxiliary-supported run- flat tire is equipped.
• If a window tint that affects the radio wave signals is installed.
• If there is a lot of snow or ice on the vehicle, particularly around the wheels or wheel housings.
• If the tire inflation pressure is extremely higher than the specified level.
●Performance may be affected in the following situations.
• Near a TV tower, electric power plant, gas station, radio station, large display,
airport or other facility that generates strong radio waves or electrical noise
• When carrying a portable radio, cellular phone, cordless phone or other wire- less communication device
Vehicles with the tire inflation pressure display function: If tire position information
is not correctly disp layed due to the radio wave conditions, the display may be
corrected by driving and changing the radio wave conditions.
●When the vehicle is parked, the time taken for the warning to start or go off could
be extended.
●When tire inflation pressure declines rapi dly for example when a tire has burst, the
warning may not function.
■The initialization operation
●Make sure to carry out initialization after adjusting the tire inflation pressure.
Also, make sure the tires are cold before carrying out initialization or tire inflation
pressure adjustment.
●If you have accidentally turned the engine sw itch off during initialization, it is not
necessary to press the reset switch again as initialization will restart automatically
when the engine switch has been turned to IGNITION ON mode for the next time.
●If you accidentally press the reset switch when initialization is not necessary, adjust
the tire inflation pressure to the specified level when the tires are cold, and conduct
initialization again.