LEXUS LS600H 2015 Owners Manual

3495-3. Using the air conditioning system and defogger
5
Interior features
LS600hL_U(OM50E41U)
■When the outside temperature exceeds 75°F (24°C) and the air conditioning sys-
tem is on
●In order to reduce the air conditioning 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 default mode when the power switch is
turned on.
●It is possible to switch to outside air mode at any time by pressing .
■When the hybrid battery cooling system operates
●If the hybrid battery cooling system operat es when the air conditioning is off, a
message will be shown on the multi-information display and the air conditioning will
automatically turn on. ( P. 105)
●The sound of the air flow may change when cool air flows from the rear roof vents
or the air purifier is in operation. This occurs when the hybrid battery is being
cooled and does not indicate a malfunction.
■Automatic mode for air intake control
In automatic mode, the system detects ex haust gas and other pollutants and auto-
matically switches between outside air and recirculated air modes.
When the dehumidification function is off, and the fan is operating, turning automatic
mode on will activate the dehumidification function.
■Micro dust an d pollen filter
●In order to prevent the windshield from fogging up when the outside air is cold, the
following may occur:
• Outside air mode does not switch to (recirculated air) mode.
• The dehumidification function operates.
• The operation cancels after approximately 1 minute.
●In rainy weather, the windows may fog up. Press .
●In extremely humid weather, the windows may fog up.
●The pollens are filtered out even if the mi cro dust and pollen filter is turned off.
■Air purifier
The air purifier will turn on when turn ing the rear air conditioning system on.
■When the outside temperature falls to nearly 32 F (0C)
The dehumidification function may not operate even when “A/C” is selected.

3505-3. Using the air conditioning system and defogger
LS600hL_U(OM50E41U)
■Ventilation and air conditioning odors
●To let fresh air in, set the air conditioning system to the outside air mode.
●During use, various odors from inside and outside the vehicle may enter into and
accumulate in the air condit ioning system. This may then cause odor to be emitted
from the vents.
●To reduce potential odors from occurring:
• It is recommended that the air conditio ning system be set to outside air mode
prior to turning the vehicle off.
• The start timing of the blower may be delayed for a short period of time immedi- ately after the air conditioning system is started in automatic mode.
■Air conditioning filter
 P. 4 6 9
■Customization
Settings (e.g. exhaust gas sensor se nsitivity, etc.) can be changed.
(Customizable features P. 5 6 4 )
CAUTION
■To prevent the windshield from fogging up
Do not use
during cool air operation in extremely humid weather. The differ-
ence between the temperature of the outs ide air and that of the windshield can
cause the outer surface of the windshield to fog up, blocking your vision.
NOTICE
■To prevent 12-volt battery discharge
Do not leave the air conditioning system on longer than necessary when the hybrid
system is off.

3515-3. Using the air conditioning system and defogger
5
Interior features
LS600hL_U(OM50E41U)
Rear air conditioning system
Air outlets and fan speed are automatica lly adjusted according to the
temperature setting.
Left-hand rear seat side tem-
perature control
Left-hand rear seat side air out-
let selector
Automatic mode
Off
Fan speed control
Right-hand rear seat side air
outlet selector
Right-hand rear seat side tem-
perature control Right-hand rear seat side tem-
perature display
Right-hand rear seat side air
flow display
Fan speed display
Left-hand rear seat side air flow
display
Left-hand rear seat side tem-
perature display
Button lock display1
2
3
4
5
6
7
8
9
10
11
12
13

3525-3. Using the air conditioning system and defogger
LS600hL_U(OM50E41U)
Press the “AUTO” button.
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 “TEMP” to increase the temperature and “ ” to decrease
the temperature.
The temperature for the right-hand and left-hand seats can be adjusted sepa-
rately.
Air outlets for the right-hand and left-hand seats may be set separately depend-
ing on the temperature setting.
When the rear climate control seats 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 “TEMP” to increase the temperature and “ ” to decrease
the temperature.
The temperature for the right-hand and left-hand seats can be adjusted sepa-
rately.
When the rear climate control seats are set to “AUTO” mode, the system is
operated automatically according to the set temperature, outside tempera-
ture, etc.
Using automatic air conditioning system
Adjusting the settings manually
1
2

3535-3. Using the air conditioning system and defogger
5
Interior features
LS600hL_U(OM50E41U)
■Changing the air outlets
Press .
The air outlets change as follows each time is pressed.
Different air outlets for the right-hand and left-hand rear seats can be chosen.
Air flows as shown below according to the mode selected.
When the indicator on “Air Purifier ” (on the option control screen) is
on
Upper body
When the indicator on “Air Purifier ” (on the option control screen) is
off
Upper body
*: Cool air only
*
*

3545-3. Using the air conditioning system and defogger
LS600hL_U(OM50E41U)
Upper body and feet
Feet

3555-3. Using the air conditioning system and defogger
5
Interior features
LS600hL_U(OM50E41U)
■Adjusting the air volume
The volume of cool air or air from the air purifier can be adjusted
according to the mode selected.
Press (increase) or (decrease) on .
When the selected air outlets mode is
Cool air flows from roof vents.
When the selected air outlets mode is , or
Air from the air purifier.
Press the “OFF” button to turn the fan off.
The air purifier also turn off.

3565-3. Using the air conditioning system and defogger
LS600hL_U(OM50E41U)
■Rear center outletsDirect air flow to the left or
right, up or down.
Turn the knob to open or close
the vent.
■Rear side outletsDirect air flow to the left or
right, up or down.
Turn the knob to open or close
the vent.
■Roof side outlets
Direct air flow to the left or right,
up or down.
Adjusting the position of and op ening and closing the air outlets
1
2
1
2

3575-3. Using the air conditioning system and defogger
5
Interior features
LS600hL_U(OM50E41U)
■Button lock function
To prevent inadvertent operatio n, the buttons on the rear controller for the air condi-
tioning system, rear sunshade, rear door sunshades, and audio system can be
locked.
The rear controller can be locked from the air conditioning operation screen.
(  P. 345)
■Rear control panel illumination off function
Control panel illumination on the re ar controller can be turned off.
■Replacing the rear air conditioning filter
Replacing the air conditioning filter when using rear air conditioning or air purifier
reduces air flow or deodorizing performance. ( P. 4 6 9 ) .
Press and hold the “MODE” switch until you
hear a beep to lock the buttons. Pressing the
“MODE” switch again until you hear a beep
will release the lock.
An indicator appears on the display when the
buttons are locked.
NOTICE
■To prevent 12-volt battery discharge
Do not leave the air conditioning system on longer than necessary when the hybrid
system is off.
Press and hold the “PWR” switch until you
hear a beep to turn the illumination off. Press-
ing the “PWR” switch again until you hear a
beep will turn the illumination on.

3585-3. Using the air conditioning system and defogger
LS600hL_U(OM50E41U)
On/off
The defoggers will automatically turn
off after approximately 15 minutes.
■Operating conditions
The power switch must be in the ON mode.
Rear window and outside rear view mirror
defoggers
These features are used to defog the 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.