heater Lexus IS250 2012 Navigation Manual

AIR CONDITIONING
279
(e) 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
1Direct air flow to the left or right, up
or down
2Turn the knob to open or close the
vent
INFORMATION
DUsing 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
280
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
(IS F/IS 350)
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.(f) 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 cause
burns.
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AIR CONDITIONING
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The defoggers will automatically turn off
after 15 to 60 minutes. The operation time
changes according to the ambient temper-
ature 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.
(g) Micro dust and pollen filter
Push 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 1 to 3 minutes.
To stop the operation, push 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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