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5-2. Using the air conditioning system and defogger
When the outside temperature exceeds 75°F (24°C) and the air conditioning system
■
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 consump-
tion.
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 automati-
cally 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.
Operation of the air conditioning system in Eco drive mode
■
In the Eco drive mode, the air conditioning system is controlled as follows to prioritize
fuel efficiency:
Engine speed and compressor operation controlled to restrict heating/cooling capac-
●
ity
Fan speed restricted when automatic mode is selected
●
To improve air conditioning performance, perform the following operations:
Turn off eco air conditioning mode
●
Adjust the fan speed
●
Turn off Eco drive mode (P. 256)
●
Eco air conditioning mode
■
When Eco drive mode is selected using the drive mode select switch, eco air condition-
ing mode turns on.
When a drive mode other than Eco drive mode is selected, eco air conditioning mode
may turn 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.
When the outside temperature is low
■
The dehumidification function may not operate even when "A/C" on the option control
screen is selected.
Ventilation and air conditioning odors
■
To let fresh air in, set the air conditioning system to the outside air mode.
●
During use, various odors from inside and outside the vehicle may enter into and accu-
●
mulate in the air conditioning system. This may then cause odor to be emitted from the
vents.
To reduce potential odors from occurring:
●
• It is recommended that the air conditioning system be set to outside air mode prior
to turning the vehicle off.
• The start timing of the blower may be delayed for a short period of time immediately
after the air conditioning system is started in automatic mode.
GS450h_OM_OM30E99U_(U)
.
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