Lexus GS 450h, Owner'S Manual

Page: 352 / 652

352
GS450h_OM_OM30E26U_(U)
5-2. Using the air conditioning system and defogger
■
Outside/recirculated air mode
●
When driving on dusty roads such as tunnels or in heavy traffic, set the outside/
recirculated air mode button to the recirculated air mode. This is effective in pre-
venting outside air from entering the vehicle interior. During cooling operation, set-
ting the recirculated air mode will also cool the vehicle interior effectively.
●
Outside/recirculated air mode may automatically switch depending on the tem-
perature setting or the inside temperature.
■
When the outside temperature exceeds 75°F (24°C) and the air conditioning sys-
tem is on
●
In order to reduce the air conditioning power consumption, the air conditioning
system may switch to recirculated air mode automatically. This may also reduce
fuel consumption.
●
Recirculated air mode is selected as a default mode when the power switch is
turned on.
●
It is possible to switch to outside air mode at any time by pressing .
■
Automatic mode for air intake control
In automatic mode, the system detects exhaust gas and other pollutants and auto-
matically switches between outside air and recirculated air modes.
When the dehumidification function is off, and the fan is operating, turning automatic
mode on will activate the dehumidification function.
■
Micro dust and pollen filter
●
In order to prevent the windshield from fogging up when the outside air is cold, the
following may occur:
• Outside air mode does not switch to
(recirculated air) mode.
• The dehumidification function operates.
• The operation cancels after approximately 1 minute.
●
In rainy weather, the windows may fog up. Press .
●
In extremely humid weather, the windows may fog up.
●
The pollens are filtered out even if the micro dust and pollen filter is turned off.
■
When the S-FLOW mode operates
If air flows to the driver’s seat only, the temperature setting for the front passenger’s
seat is not displayed.