2003 Lexus GX 470 Navigation Manual 2 - Page 121

2003 Lexus GX 470 Manual

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Automatic Air Conditioning Controls If manual switching of air intake is desired - 1 RECIRCULATED AIR mode - If quick circulation of cooled air is desired, select this mode. EXHAUST GAS AUTOMATIC mode - If the outside air contains harmful substances like exhaust gas (i.e., when the vehicle running just in front of your vehicle accelerates rapidly), the system changes automatically from the OUTSIDE AIR mode (with indicators 2 and 3 on) to the RECIRCULATED mode (with indicators 1 and 2 on). OUTSIDE AIR mode - The system will take fresh outside air into the vehicle. In the following cases, the RECIRCULATED mode may change to the OUTSIDE AIR mode automatically to prevent interior fog. D When the outside temperature becomes lower than 4_C (39_F). D When the air conditioning compressor malfunctions. D When the air conditioning cooler refrigerant decreases. 2 UNX506 3 Each time you push the air intake control button, the mode changes in order from the RECIRCULATED AIR mode to AUTOMATIC mode to OUTSIDE AIR mode, then back to the RECIRCULATED AIR mode. Each indicator light shows which mode is now selected. For normal use, it is best to keep the air intake control button set to OUTSIDE AIR mode. If recirculated air is used during heating, the windows will fog up more easily. Turning off the air conditioning manually will cancel the EXHAUST GAS AUTOMATIC mode. If you select the "AUTO" mode during fan operating, the air conditioning turns on and the EXHAUST GAS AUTOMATIC mode will operate. 112

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Automatic Air Conditioning Controls
112
If manual switching of air intake is de-
sired –
UNX506
Each time you push the air intake control but-
ton, the mode changes in order from the RE-
CIRCULATED AIR mode to AUTOMATIC
mode to OUTSIDE AIR mode, then back to
the RECIRCULATED AIR mode.
Each indi-
cator light shows which mode is now se-
lected.
1
RECIRCULATED AIR mode –
If quick
circulation of cooled air is desired, se-
lect this mode.
2
EXHAUST GAS AUTOMATIC mode –
If the outside air contains harmful sub-
stances like exhaust gas (i.e., when the
vehicle running just in front of your ve-
hicle accelerates rapidly), the system
changes automatically from the OUT-
SIDE AIR mode (with indicators
2
and
3
on) to the RECIRCULATED
mode (with indicators
1
and
2
on).
3
OUTSIDE AIR mode –
The system will
take fresh outside air into the vehicle.
For normal use, it is best to keep the air in-
take control button set to OUTSIDE AIR
mode.
If recirculated air is used during heat-
ing, the windows will fog up more easily.
Turning off the air conditioning manually will
cancel the EXHAUST GAS AUTOMATIC
mode.
If you select the “AUTO” mode during
fan operating, the air conditioning turns on
and the EXHAUST GAS AUTOMATIC mode
will operate.
In the following cases, the RECIRCULATED
mode may change to the OUTSIDE AIR
mode automatically to prevent interior fog.
D
When the outside temperature becomes
lower than 4
_
C (39
_
F).
D
When the air conditioning compressor
malfunctions.
D
When the air conditioning cooler refriger-
ant decreases.