2010 Lexus GX460 Navigation Manual

AIR CONDITIONING
304 D
Switching the air outlets
"Without rear air conditioning system
"With rear air conditioning system
1Panel
2Bi− level
3Floor
4Floor/windshield
The outlets from which air is delivered can
be selected manually by touching the
touch− screen button.
The air flow shown on the display indicates
the following.
" Air flows to the upper body (Panel)
"Air flows to the upper body and feet
(Bi− level)
"Air flows to the feet (Floor)
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AIR CONDITIONING
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"Air flows to the feet and the wind-
shield defogger operates (Floor/
windshield)
1Without rear air conditioning sys-
tem
2Only in automatic mode (Air may
not always flow.)
DSwitching between outside air and
recirculated air modes
1Recirculated air mode
2Automatic mode
3Outside air mode
Push the air intake control button.
The mode switches between recirculated
air mode, automatic mode (with rear air
conditioning system) and outside air mode
each time the button is pushed.
When the system is switched to automatic
mode, the air conditioning system oper-
ates automatically.
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AIR CONDITIONING
306
(d) Rear air conditioning controls
(With rear air conditioning system)
1“REAR OFF” button
2Temperature control
3Fan speed control
4“REAR AUTO” button
Touch the “REAR AUTO” button.
The air conditioning system will operate,
and air outlets and fan speed will be ad-
justed automatically.
To adjust the temperature setting, push the
“
” button on “TEMP” to increase the
temperature and push the “”button to
decrease the temperature.
The fan speed can be set to your desired
speed by touching the appropriate fan
speed control button.
Touch “REAR OFF” to turn the fan off.
INFORMATION
When the “ENGINE START STOP”
switch is turn on, the air conditioning
system settings will be set to those
that were in use the last time the “EN-
GINE START STOP” switch was
turned off. Air conditioning system
settings are memorized individually
on each electronic key, so the set-
tings reproduced will be specific to
the key that is used.
(e) Defogging the windshield
The air conditioning system operates
automatically.
Recirculated air mode will automatically
switch to outside air mode. It is not pos-
sible to return to recirculated air mode
when the switch is on.
CAUTION
To prevent the windshield from fog-
ging up
Do not use the windshield air flow
button during cool air operation in
extremely humid weather. The differ-
ence between the temperature of the
outside air and that of the windshield
can cause the outer surface of the
windshield to fog up, blocking your
vision.
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(f) Adjusting the position of and open-
ing and closing the air outlets
"Front center outlets
1Direct air flow to the left or right, up
or down
2Turn the knob to open or close the
vent
"Front side outlets
1Direct air flow to the left or right, up
or down
2Turn the knob to open or close the
vent
"Rear outlets (without rear air condi-
tioning system)
1Direct air flow to the left or right, up
or down
2Turn the knob to open or close the
vent
INFORMATION
D Using automatic mode
Fan speed is adjusted automatical-
ly according to the temperature
setting and ambient conditions.
As a result, the following may oc-
cur:
D Immediately after the button is
pushed, the fan may stop for a
while until warm or cool air is
ready to flow.
D Cool air may flow to the area
around the upper body when the
heater is on.
D Using the system in recirculated
air mode
The windows will fog up more easi-
ly if recirculated air mode is used
for an extended period.
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AIR CONDITIONING
308
DSwitching between outside air and
recirculated air modes
Recirculated air mode or outside
air mode may be automatically
switched to in accordance with the
temperature setting and the inside
temperature.
D Window defogger feature
Recirculated air mode may auto-
matically switch to outside air
mode in situations where the win-
dows need to be defogged.
D When outside air temperature is
below 32 _F(0 _C)
The cooling and dehumidification
function may not operate even
when “A/C” is on.
D When the indicator light on “A/C”
flashes
Touch “A/C” to turn off the air con-
ditioning system and turn it on
again. There may be a problem in
the air conditioning system if the
indicator light continues to flash.
Turn the air conditioning system
off and have it inspected by your
Lexus dealer.
D Automatic air intake change mode
(with rear air conditioning system)
In automatic mode, the system au-
tomatically switches between re-
circulated air and outside air
modes according to whether the
system detects harmful sub-
stances such as exhaust gas in the
air outside.(g) Windshield wiper de− icer
This feature is used to prevent ice from
building up on the windshield and wiper
blades.
The windshield wiper de −icer can be oper-
ated when the “ENGINE START STOP”
switch is in IGNITION ON mode.
" Without rear air conditioning system
"With rear air conditioning system
Turns the windshield wiper de −icer
on/off.
The windshield wiper de −icer will automat-
ically turn off after approximately 15 min-
utes.
CAUTION
When the windshield wiper de −icer is
on
Do not touch the lower part of the
windshield or the side of the front pil-
lars, as the surfaces can become very
hot and burn you.
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AIR CONDITIONING
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(h) Rear window and outside rear view
mirror defogging
To turn the electric rear window and
outside rear view mirror defogger on,
push the button above.
The “ENGINE START STOP” switch must
be in IGNITION ON mode.
The thin heater wires on the inside of the
rear window and the heater panels in the
outside rear view mirrors will quickly clear
the surface.
Keep your hands off the mirror faces when
the system is on.
The indicator light is on when the defogger
is operating.
CAUTION
When the outside rear view mirror de-
foggers are on, do not touch the out-
side surface of the rear view mirror as
it can become very hot and burn you.
The defoggers will automatically turn off
after 15 to 270 minutes. The operation
time changes according to the ambient
temperature and vehicle speed.
If further defrosting or defogging is de-
sired, simply actuate the switch again.
When the surface has cleared, push the
button once again to turn the defogger off.
Continuous use may cause the battery to
discharge, especially during stop−and− go
driving. The defogger is not designed to
dry rain water or to melt snow.
If the outside rear view mirrors are heavily
coated with ice, use a spray de −icer before
operating the system.
NOTICE
DWhen cleaning the inside of the
rear window, be careful not to
scratch or damage the heater wires
or connectors.
DTo prevent the battery from being
discharged, turn the switch off
when the engine is not running.
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AIR CONDITIONING
310
(i) Micro dust and pollen filter
"Without rear air conditioning system
"With rear air conditioning system
Touch the micro dust and pollen filter
button.
Outside air mode switches to recirculated
air mode. Pollen is removed from the air
flows to the upper part of the body.
Usually the system will turn off automati-
cally after approximately 3 minutes.
To stop the operation, touch the micro dust
and pollen filter button again.
INFORMATION
D In order to prevent the window
from fogging up when the outside
air is cold, the following may oc-
cur:
D Outside air mode does not
switch to recirculated air mode.
D The air conditioning system op-
erates automatically.
D The operation cancels after 1
minute.
D In rainy weather, the windows may
fog up. Push the windshield air
flow button.
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(j) Outside temperature display
"Without rear air conditioning system
"With rear air conditioning system
Outside temperature is displayed on
the screen.
The displayed temperature ranges from
− 40 _F( −40 _C) up to 122 _F (50 _C).
If the temperature shows “ −−” or “E”, take
your vehicle to your Lexus dealer.
In the following situations, the correct out-
side temperature may not be displayed, or
the display may take longer than normal to
change.
DWhen stopped, or driving at low
speeds (less than 15.5 mph [25 km/h])
DWhen the outside temperature has
changed suddenly (at the entrance/exit
of a garage, tunnel, etc.)
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