Lexus LX 470 1998 Owner's Manual page 151

AIR CONDITIONING AND AUDIO
AUTOMATIC AIR CONDITIONING CONTROLS
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 key must be in the
"ON" position.
134
20X017a
To prevent the battery from being discharged, do not leave the air
conditioning on longer than necessary when the engine is not
running.
NOTICE