ignition Lexus GX460 2021 / Service Manual

GX460_OM_OM60T19U_(U)
3895-1. Using the air conditioning system and defogger
5
Interior features
■Defogging the rear window and outside rear view mirrors
Defoggers are used to defog the rear window, and to remove raindrops, dew
and frost from the outside rear view mirrors.
Press .
The defoggers will automatically turn off after a period of time.
■Micro dust and pollen filter mode
Pollen is removed from the air and the air flows to the upper part of the body.
Touch on the option control screen.
When the micro dust and pollen filter mo de is on, is displayed on the air
conditioning control screen.
In order to prevent the windshield from fo gging up when the outside air is cold, the
dehumidification function may operate.
The pollens are filtered out even if the mi cro dust and pollen filter mode is turned
off.
■Windshield wiper de-icer (if equipped)
This feature is used to prevent ice fr om building up on the windshield and
wiper blades.
Touch on the option control screen.
When the windshield wiper de-icer is on , is displayed on the air condition-
ing control screen.
The windshield wiper de-icer will automati cally turn off after a period of time.
■The windshield wiper de-icer can be operat ed when (vehicles with windshield wiper
de-icer)
The engine switch is in IGNITION ON mode.
■When the windshield wiper de-icer is on (vehicles with windshield wiper de-icer)
The windshield wiper de-icer will automatically turn off after approximately 15 minutes.
WARNING
■When the windshield wiper de-icer is on (vehicles with windshield wiper de-icer)
Do not touch the glass at the lower part of th e windshield or the side of the front pillars
as the surfaces can become very hot and burn you.

GX460_OM_OM60T19U_(U)
3915-1. 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 key’s registered air conditioning settings.
●When the engine switch is turned off, the current air conditioning settings will automat-
ically 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 th e corresponding door can be changed.
Contact your Lexus dealer.
■Using automatic mode
Fan speed is adjusted automatically according to the temperature setting and the ambi-
ent conditions.
Therefore, the fan may stop for a while until wa rm or cool air is ready to flow immediately
after the “AUTO” button is pressed.
■When the outside temperature exceeds 75 F (24 C) and the air conditioning system
is on
●In order to reduce the air co nditioning power consumption, the air conditioning system
may switch to recirculated air mode automatically.
This may also reduce fuel consumption.
●Recirculated air mode is selected as a defaul t mode when the engine switch is turned to
IGNITION ON mode.
●It is possible to switch to outside air mode at any time by pressing or
.
■Fogging up of the windows
●The windows will easily fog up when the humidi ty in the vehicle is high. Touching “A/C”
on will dehumidify the air from the outl ets and defog the windshield effectively.
●If you turn “A/C” off, the windows may fog up more easily.
●The windows may fog up if the recirculated air mode is used.
■When driving on dusty roads
Close all windows. If dust thrown up by the ve hicle is still drawn into the vehicle after clos-
ing the windows, it is recommended that the air intake mode be set to outside air mode
and the fan speed to any setting except off.
■Outside/recirculated air mode
●Setting to the recirculated air mode temporarily is recommended in preventing dirty air
from entering the vehicle interior and helping to cool the vehicle when the outside air
temperature is high.
●Outside/recirculated air mode may automa tically switch depending on the tempera-
ture setting or the inside temperature.

3965-1. Using the air conditioning system and defogger
GX460_OM_OM60T19U_(U)
■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 key’s registered air conditioning settings.
●When the engine switch is turned off, the current air conditioning settings will automat-
ically 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 th e corresponding door can be changed.
Contact your Lexus dealer.
NOTICE
■To prevent battery discharge
Do not leave the air conditioni ng system on longer than necessary when the engine is
off.

3985-1. Using the air conditioning system and defogger
GX460_OM_OM60T19U_(U)
●The heated steering wheel can be used when the engine switch is in IGNITION ON
mode.
●The heated steering wheel will automati cally turn off after about 30 minutes.
●If the indicator light flashes, press the switch to turn the heated steering wheel off and
then press the switch again. If the indica tor light still flashes, a malfunction may be
occurring. Turn the heated steering wheel off and have the vehicle inspected by your
Lexus dealer.
■Front seat
Turns the seat heater on
The indicator light comes on.
The higher the number of dots, the
warmer the seat becomes.
■Rear seat (if equipped)
For left second seat
For right second seat
High heating temperature
Low heating temperature
To turn on the seat heater, press “HI”
or “LO”.
The indicator light on “HI” or “LO”
switch indicates that the seat heater
is on.
Off
To turn off, press “OFF”.
The seat heaters can be used when the engine switch is in IGNITION ON mode.
Seat heaters (if equipped)
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GX460_OM_OM60T19U_(U)
3995-1. Using the air conditioning system and defogger
5
Interior features
Heats the seat
The indicator light comes on.
The higher the number of dots, the
warmer the airflow becomes.
Blows air from the seat
The indicator light comes on.
The higher the number of dots, the
stronger the airflow becomes.
The seat heaters and ventilators can be used when the engine switch is in IGNITION
ON mode.
Seat heaters and ventilators (if equipped)
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417
GX460_OM_OM60T19U_(U)5-4. Using the other interior features
5
Interior features
Other interior features
Lift the lid while pulling up the lower
lever to release the lock.
Turns the cool box on/off
When on, the indicator light comes on.
■The cool box can be operated when
The engine switch is in IGNITION ON mode.
■If the front air conditioning system is not in use when the cool box is turned on
The front air conditioning system is automatically turned on.
Cool box (if equipped)
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420
GX460_OM_OM60T19U_(U)5-4. Using the other interior features
The conversation mirror can provide the
driver and the front passenger with a
view of the rear seat area without the need to turn around.
Press in the button.
To use the overhead console when the conversation mirror is open, further extend the lid.
(  P. 408)
Vehicles with navigation system
Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”.
Vehicles without navigation system
The clock can be adjusted by pressing the buttons.
Adjusts the hours
Adjusts the minutes
■The clock is displayed when
The engine switch is in IGNITION ON mode.
■When disconnecting and reconnecting battery terminals
The clock data will be reset.
Conversation mirror
Clock
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422
GX460_OM_OM60T19U_(U)5-4. Using the other interior features
■Luggage compartment (120 V AC)
The power outlet can be used for 120
V AC accessories that run on less than
100 W.
■The power outlet can be used when
12 V DC: The engine switch is in ACCESSORY or IGNITION ON mode.
120 V AC: The engine switch is in IGNITION ON mode.
■When turning the engine switch off (12 V DC)
Disconnect electrical devices with charging functions, such as mobile battery packs. If
such devices are left connected, the engine switch may not be turned off normally.
■The protection circuit may be activated to cut the power supply if any of the following
conditions apply (120 V AC):
●Use of electrical appliances exceeding 100 W is attempted.
A sound may be heard when the protection circuit is activated. This is normal and does
not indicate a malfunction.
●The total power usage by all electrical featur es (headlights, air conditioning, etc.) has
exceeded the total vehicle maximum for an extended period of time.
■If the protection circuit is activated and the power supply is cut, conduct the following
procedure (120 V AC):
Park the vehicle in a safe place, and then securely apply the parking brake.
Make sure that the power consumption of th e electric appliance is within the maxi-
mum capacity of the power outlet and the appliance is not broken.
Turn the engine switch to IGNITION ON mode again.
When the cabin temperature is high, open the windows to cool the temperature down.
Once it reaches the normal temperature, turn the engine switch to IGNITION ON
mode again.
If the power supply does not resume even after the above procedure has been per-
formed, have the vehicle inspected by your Lexus dealer.
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GX460_OM_OM60T19U_(U)
4255-4. Using the other interior features
5
Interior features
The USB charging ports are used to supply 2.1 A of electricity at 5 V to external
devices.
The USB charging ports are for charging only. They are not designed for data
transfer or other purposes.
Depending on the external device, it ma y not charge properly. Refer to the man-
ual included with the device be fore using a USB charging port.
■Using the USB charging ports
■The USB charging ports can be used when
The engine switch is in ACCESSORY or IGNITION ON mode.
■Situations in which the USB charging ports may not operate correctly
●If a device which consumes more than 2.1 A at 5 V is connected
●If a device designed to communicate with a personal computer, such as a USB memory
device, is connected
●If the connected external device is turned off (depending on device)
●If the temperature inside the vehicle is high, such as after the vehicle has been parked in
the sun
■About connected external devices
Depending on the connected external device , charging may occasionally be suspended
and then start again. This is not a malfunction.
USB charging ports
Type AType B
Open the lid. Open the lid.

GX460_OM_OM60T19U_(U)
4576-3. Do-it-yourself maintenance
6
Maintenance and care
WARNING
The engine compartment contains many mechanisms and fluids that may move suddenly,
become hot, or become electrically energize d. 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 driving
as they may be hot. Oil and other fluids may also be hot.
●Do not leave anything that may burn easily, such as paper or rags, in the engine com-
partment.
●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 corro-
sive 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 auto matically start to run if the air conditioning is on and/or
the coolant temperature is high. ( P. 465)
■When working on or under the vehicle
Do not get under the vehicle with just the jack supporting it.
Always use automotive jack stands or other solid supports.
■Safety glasses
Wear safety glasses to prevent flying or falling material, fluid spray, etc. from getting in
your eyes.
NOTICE
■If you remove the air cleaner filter
Driving with the air cleaner f ilter removed may cause excessive engine wear due to dirt
in the air.