Lexus GS430 2006 Scheduled Maintenance Guide / LEXUS 2006 GS430/GS300 FROM JAN. 2005 PROD. OWNER'S MANUAL (OM30649U)

TOUCH SCREEN
250
Setting screen
1. Push the “INFO” button on the bezel to display the
“Information Menu” screen.
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2. Touch the “Screen Setting” switch.(a) Automatic transition
You can select a function that enables automatic return to
the navigation screen from the audio screen.
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Select the “ON” or “OFF” and then touch the “OK”.
ON: The navigation screen automatically returns from the
audio or air conditioning screen 20 seconds after the end of
audio or air conditioning screen operation.
OFF: The audio or air conditioning screen remains on.

TOUCH SCREEN
251
(b) Background color
You can select a background color.
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Select the desired background color and then touch the
“OK”.
Screen adjustment
You can adjust the brightness or contrast of the screen
depending on the brightness of your surroundings. You
also can turn the display off.
To display the “Display” screen, push the “DISPLAY”
button.
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Contrast and brightness adjustment
CONTRAST “+”: Strengthens the contrast of the screen.
CONTRAST “–”: Weakens the contrast of the screen.
BRIGHTNESS “+”: Brightens the screen.
BRIGHTNESS “–”: Darkens the screen.
The screen turns off when you push the “SCREEN OFF”. To
turn the display screen back on, push any bezel switch such
as “INFO”, etc. The selected screen appears.

TOUCH SCREEN
252
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Depending on the position of the headlight switch, the
screen changes to either day mode or night mode.
To display the screen in the day mode even with the headlight
switch on, touch “DAY MODE” on the adjustment screen for
brightness and contrast control.
However, if the instrument panel light control switch is turned
fully to the right, mode switching cannot be done. It remains in
the day mode. In this case, “DAY MODE” is not shown on the
screen.
If the screen is set in the day mode with the headlight switch
turned on, this condition is memorized in the system even with
the engine turned off.
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Color and tone adjustment
You can adjust the color and the tone while the DVD video and
video CD are being played.
COLOR “RED”: Strengthens the red color of the screen.
COLOR “GREEN”: Strengthens the green color of the screen.
TONE “+”: Strengthens the tone of the screen.
TONE “–”: Weakens the tone of the screen.

SECTION 2 – 1
253
AIR CONDITIONING AND AUDIO
Air conditioning
Automatic air conditioning controls254
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AIR CONDITIONING
254
AUTOMATIC AIR CONDITIONING CONTROLS
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 AVehicles with Navigation system BVehicles without Navigation system

AIR CONDITIONING
255
1 Driver side temperature display (in degrees
Fahrenheit or Centigrade)
2 Passenger side temperature display (in degrees
Fahrenheit or Centigrade)
3 “DUAL” (temperature setting mode change) switch
4 “A/C” switch
5 Air flow control switches
6 Fan speed control switches
7 Air conditioning operation screen display button
8 “TEMP” (driver side temperature control) buttons
9 “OFF” button
10 “AUTO” button
11 Micro dust and pollen filter button
12 Windshield air flow button
13 Air intake control button
14 “PASSENGER TEMP” (passenger side temperature
control) buttons The automatic air conditioning automatically maintains
the set temperature.
In the automatic operation mode, the air conditioning selects
the most suitable fan speed, air flow, air intake and on
−off of
the air conditioning according to the temperature.
The engine switch must be selected in “IG −ON” mode.
“CLIMATE”: Push this button to display switches for
automatic air conditioning control.
NOTICE
To prevent the battery from being discharged, do not
leave the air conditioning on longer than necessary
when the engine is not running.

AIR CONDITIONING
256Vehicles with navigation system only:
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By pushing the button above, you can operate the speech
command system.
For the operation of the speech command system, see the
“Navigation System Owner’s Manual”.

AIR CONDITIONING
257
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Air flow selectionAutomatic air flow mode only

AIR CONDITIONING
258
(a) Climate control
SETTING OPERATION automatic control
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1. Push the “AUTO” button.
An indicator light will illuminate to show that the automatic
operation mode has been selected.
Air flow quantity, switching of the diffusers, on−off of the air
conditioning, and switching of the air intake between
RECIRCULATED AIR and OUTSIDE AIR are automatically
adjusted. The operation status is shown by each indicator.
When one of the manual control buttons is depressed while
operating in automatic mode, the mode relevant to the
depressed button is set. Other conditions continue to be
adjusted automatically.
Push the ”OFF” button to turn the air conditioning off.
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2. Use the “TEMP” or ”PASSENGER TEMP” buttons to set
the desired vehicle interior temperature.
The “TEMP” or “PASSENGER TEMP” (“
”, “”) buttons are
used to set the desired interior temperature. The interior
temperature will be controlled on the driver and passenger side
simultaneously or individually.
To increase the interior temperature, push the “
” button, to
decrease it, push the “” button.
If quick heating or cooling is desired—
“MAX COLD” appears when you hold “
” until maximum
cooling, and “MAX HOT” appears when you hold “” until
maximum heating.
“TEMP” buttons—Changes the temperature on the driver
and passenger sides simultaneously or the driver side only.
“PASSENGER TEMP” buttons—Changes the temperature
settings separate from the driver side.

AIR CONDITIONING
259
“DUAL” switch—
This switch is used to set the temperatures independently for
the driver’s seat and front passenger seat.
Touching the switch changes from the independent mode to
the linked mode.

Independent mode: Temperatures can be set
independently for the driver’s seat and front passenger’s
seat. The indicator light will come on to show that the
independent mode has been selected.
 Linked mode: The same temperature is set for the driver’s
seat and front passenger’s seat. The indicator light will turn
off to show that the simultaneous temperature setting mode
has been selected.
When the temperature for the front passenger’s seat is
changed in linked mode, the mode is changed automatically to
independent mode.
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Driver side setting
Passenger side setting
Mixed setting