2004 Lexus GS 300 Navigation Manual - Page 126

2004 Lexus GS 300 Manual

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Automatic Air Conditioning Controls If manual on-off of the air conditioning is desired Push the "A/C" button to turn the air conditioning on and push it again to turn the air conditioning off. If you turn off the air conditioning manually, the EXHAUST GAS AUTOMATIC mode will be cancelled. If the outside temperature is lowered down to around 0_C (32_F), the air conditioning will turn off automatically. At this time, the indicator on the A/C button is off and the EXHAUST GAS AUTOMATIC indicator light remains on. However, the EXHAUST GAS AUTOMATIC mode does not operate. When the air conditioning turns on as with the raised temperature, the EXHAUST GAS AUTOMATIC mode resumes. If the system is used for ventilation, heating in dry weather or removing frost or exterior fog on the windshield, turn the air conditioning off once it is no longer required. This will improve fuel economy. The air conditioning can be used for year-round automatic temperature control including cooling and dehumidifying operation. (b) Windshield defogging and defrosting 3. Push the "HI" of the air flow control switch to obtain a maximum air flow. 4. Leave the air conditioning on-off button off. For further information for removing frost and fog, see "Lower vent" on page 119. UNG509 When the "FRONT WINDSHIELD" button is pushed while operating in automatic mode, the air conditioning is set to operate and the OUTSIDE AIR mode is set. If you push the "FRONT WINDSHIELD" button once again while in the FRONT WINDSHIELD mode, the mode then returns to the last mode used. To remove interior fog on the windshield Push the "FRONT WINDSHIELD" button. To remove frost or exterior fog on the windshield 1. Push the upper side of the temperature control button until maximum figure appears on the temperature display. 2. Push the "FRONT WINDSHIELD" button. CAUTION Do not use the "FRONT WINDSHIELD" button during cooled air operation in extremely humid weather. The difference between the temperature of the outside air and that of the windshield could cause the outer surface of the windshield to fog up blocking your vision. 116

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Automatic Air Conditioning Controls
Automatic Air Conditioning Controls
116
If manual on-off of the air conditioning is
desired -
Push the
”A/C”
button to turn the air condi-
tioning on and push it again to turn the air
conditioning off.
If you turn off the air condi-
tioning manually, the EXHAUST GAS AUTO-
MATIC mode will be cancelled.
If the outside temperature is lowered down to
around 0
_
C (32
_
F), the air conditioning will
turn off automatically.
At this time, the indica-
tor on the A/C button is off and the EXHAUST
GAS AUTOMATIC indicator light remains on.
However, the EXHAUST GAS AUTOMATIC
mode does not operate.
When the air condi-
tioning turns on as with the raised tempera-
ture, the EXHAUST GAS AUTOMATIC
mode resumes.
If the system is used for ventilation, heating
in dry weather or removing frost or exterior
fog on the windshield, turn the air condition-
ing off once it is no longer required.
This will
improve fuel economy.
The air conditioning
can be used for year-round automatic tem-
perature control including cooling and dehu-
midifying operation.
(b)
Windshield defogging and de-
frosting
UNG509
To remove interior fog on the windshield
-
Push the
”FRONT WINDSHIELD”
button.
To remove frost or exterior fog on the
windshield -
1. Push the upper side of the temperature
control button until maximum figure appears
on the temperature display.
2. Push the
”FRONT WINDSHIELD”
but-
ton.
3.
Push the
”HI”
of the air flow control switch
to obtain a maximum air flow.
4. Leave the air conditioning on-off button
off.
For further information for removing frost and
fog, see ”Lower vent” on page 119.
When the
”FRONT WINDSHIELD”
button is
pushed while operating in automatic mode,
the air conditioning is set to operate and the
OUTSIDE AIR mode is set.
If you push the
”FRONT WINDSHIELD”
but-
ton once again while in the FRONT WIND-
SHIELD mode, the mode then returns to the
last mode used.
CAUTION
Do not use the ”FRONT WINDSHIELD”
button during cooled air operation in
extremely humid weather.
The differ-
ence between the temperature of the
outside air and that of the windshield
could cause the outer surface of the
windshield to fog up blocking your vi-
sion.