2008 Lexus GX470 cooling

AIR CONDITIONING
275
The automatic air conditioning auto-
matically maintains the set tempera-
ture.
In the automatic operation mode, the air
conditioning selects the most suitable fan
speed, air flow, air intake and on−off the air
conditioning according to the temperature.
The ignition switch must be in the “ON”
position.
“CLIMATE”: Push this button to display
touch− screen buttons for automatic air
conditioning controls.
NOTICE
To prevent the battery from being dis-
charged, do not leave the air condi-
tioning on longer than necessary
when the engine is not running.
(a) Climate control
SETTING OPERATION −automatic con-
trol
1. Push the “AUTO” button.
An indicator light will illuminate to show
that the automatic operation mode has
been selected.
Air flow quantity, switching of the diffusers,
on− off of the air conditioning and switching
of the air intake between RECIRCULATED
AIR and OUTSIDE AIR are automatically
adjusted. When you push the “AUTO”
button with the air intake mode at OUT-
SIDE AIR, internal circulation may be ap-
plied for maximum cooling. The operation
status is shown by each indicator and dis-
play.
When one of the manual control buttons is
depressed while operating in automatic
mode, the operation corresponding to the
depressed button is set. Other conditions
continue to be adjusted automatically.
Push the “OFF”button to turn the air
conditioning system off.
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AIR CONDITIONING
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2. Use the “TEMP” or “PASSENGER
TEMP” button to set the desired vehicle
interior temperature.
The“TEMP” or“PASSENGER TEMP”
selector button is used to set the desired
interior temperature. The interior tempera-
ture will be controlled on the driver and
passenger side room zones simulta-
neously or individually.
To increase the interior temperature, push
the “
”side, to decrease it, push the “”
side.
If quick heating or cooling is desired —
“LO” appears when you hold it until maxi-
mum cooling (decrease), and “HI” appears
when you hold it until maximum warming
(increase).
“TEMP” button — Changes the tempera-
ture on the driver and passenger sides si-
multaneously or the driver side only.
“PASSENGER TEMP” button —
Changes the temperature settings sepa-
rate from the driver side.
“DUAL” —
This button is used to set the temperatures
independently for the driver ’s seat and
front passenger seat.
Touching the button changes from the in-
dependent mode to the linked mode.
Independent mode: Temperatures can
be set independently for the driver ’s seat
and front passenger ’s seat. The indicator
will come on to show that the independent
mode has been selected.
Linked mode: The same temperature is
set for the driver ’s seat and front passen-
ger’s seat. The indicator will come off to
show that the simultaneous temperature
setting mode has been selected.
When the temperature for the front pas-
senger ’s seat is changed in linked mode,
the mode is changed automatically to inde-
pendent mode.
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AIR CONDITIONING
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If manual on−off of the air conditioning
is desired —
Touch “A/C” to turn the air conditioning on
and touch it again to turn the air condition-
ing off.
The air conditioning does not work if the
outside temperature is lowered down to
around 0 _C (32 _F).
If the system is used for ventilation, heat-
ing in dry weather or removing frost or ex-
terior fog on the windshield, turn the air
conditioning off once it is no longer re-
quired. This will improve fuel economy.
The air conditioning can be used for year −
round automatic temperature control in-
cluding cooling and dehumidifying opera-
tion. (b) Windshield defogging and defrost-
ing
To remove interior fog on the wind-
shield —
6U326
Push the windshield air flow button.
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AIR CONDITIONING
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To remove frost or exterior fog on the
windshield—
1. Push the upper side of the temperature
control button until maximum figure ap-
pears on the temperature display.
2. Push the windshield air flow button.
3. Touch “HI” of the air flow control to ob-
tain a maximum air flow.
4. Leave the air conditioning on−off con-
trol off.
When the windshield air flow button is
pushed while operating in automatic
mode, the air conditioning is set to operate
and the OUTSIDE AIR mode is set.
Touch “A/C” for dehumidified heating or
cooling. This setting clears the front view
more quickly.
If you push the windshield air flow button
once again while in the FRONT WIND-
SHIELD mode, the mode then returns to
the last mode used.
CAUTION
Do not use the windshield air flow
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.
(c) Center vents and side vents
" Side vents
"Rear vents
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AIR CONDITIONING
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(a) Rear cooler ON−OFF
To turn the rear cooler on, push the
“REAR COOL” button with front air
conditioning on. To turn the rear cooler
off, push the button once again.
When you turn the rear cooler on with the
front air conditioning off, the cooling device
is not operated.
(b) Air flow control
The fan speed can be set to your de-
sired speed by pushing the appropriate
side of the fan speed control button.
“AUTO” mode: The fan speed is automat-
ically adjusted only when the air flow set-
ting of the front air conditioning is in the
panel mode.
(c) Temperature control
The temperature of the cooled air can
be adjusted between 10_F( 5 _C) of
the temperature of the front air condi-
tioning system. Push the left side of the
button to lower the temperature.
NOTICE
To prevent the battery from being dis-
charged, do not leave the rear cooler
on longer than necessary when the
engine is not running.
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