Lexus LS460 2011 Owner's Manual page 419

3-2. Using the air conditioning system and defogger
With rear air conditioning system
Press "" on "TEMP" or "PASSENGER TEMP" to increase the
temperature and "" to decrease the temperature.
The air conditioning system switches between individual and
simultaneous modes each time "4-ZONE" is pressed.
Individual mode (the indicator on "4-ZONE" is on): The tem-
perature for the driver's, front passenger's and rear seats (P.
403) can be adjusted separately. Operating the passenger's side
temperature control will enter individual mode.
Simultaneous mode (the indicator on "4-ZONE" is off): Only
"" and "" on "TEMP" (driver's side) can be used to adjust the
temperature for all seats.

Adjusting the fan speed
(decrease 
Touch any switch of
increase) on the operation screen.
Press to turn the fan off.
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