Toyota LEXUS LS430 2005 Manual page 260

The automatic air conditioning automatically maintains
the set temperature.
This air conditioning features automatic fan speed and air flow
control which automatically selects the most suitable fan
speed and air flow to control the temperature.
The ignition switch must be in the "ON" position.
NOTICE
To prevent the battery from being discharged, do not
leave the air conditioning on longer than necessary
when the engine is not running.
1 Temperature selector
(with the "DUAL" button on; for driver and rear
passengers)
(with the "DUAL" button off; for driver and all
passengers)
2 Passenger side temperature control button
3 Front windshield button
4 Driver side temperature display
(in degrees Fahrenheit or Centigrade)
5 Fan speed display
6 Air flow display
7 Air intake control button
8 Passenger side temperature display
(in degrees Fahrenheit or Centigrade)
9 Center vent vane swing button
Air conditioning on−off button
10
Air flow control button
11
Fan speed control button
12
OFF button
13
Automatic control button
14
Separate/dual control button
15
AIR CONDITIONING
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