Lexus GS430 User Manual page 286

AIR CONDITIONING
(a) Climate control
SETTING OPERATION − automatic control
G21003
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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INFORMATION
D This automatic control had additional functions as
described below, when the "AUTO" button is pushed.
The fan is stopped for a little while until warm air
preparation, when outside temperature is low like a
winter season in the "Floor", "Bi−level" or
"Floor/Windshield" air flow mode. If quick removal
for exterior frost, fog and inside fog on the windshield
is desired, use the high fan speed setting after the
"Windshield" air flow mode has been selected.
The fan is stopped few seconds until cool air
preparation, when outside temperature is high like a
summer season in the "Panel" or "Bi−level" air flow
mode.
D The internal circulation may be applied for maximum
cooling in the automatic operation mode, when
outside temperature is high like a summer season.
If fresh outside air is desired into the vehicle, push
the air intake control button to select the OUTSIDE
AIR mode.