2010 Lexus IS250C Do-It-Yourself Maintenance / LEXUS 2010 IS350C/250C OWNERS MANUAL (OM53A20U)

233
3-1. Using the air conditioning system and defogger
3
Interior features
Feet and windshield
■ Switching between outside air and recirculated air modes
IS250C
Press .
The mode switches between (recycles air inside the vehicle) and (introduces air from outside the vehicle) modes each time
is pressed.
IS350C
Press .
The mode switches among (recycles air inside the vehicle),
“AUTO” and (introduces air from outside the vehicle) modes each
time is pressed.
When the system is switched to automatic mode, the air conditioning
system operates automatically.
Defogging the windshield
Press .
The air conditioning system control
operates automatically.
Recirculated air mode may auto-
matically switch to (outside
air) mode when the ambient tem-
perature is low.

234
3-1. Using the air conditioning system and defogger
Micro dust and pollen filter
Press .
Outside air mode switches to (recirculated air) mode. Pol-
len is removed from the air and the
air flows to the upper part of the
body.
Usually the system will turn off
automatically after approximately 1
to 3 minutes.
To stop the operation, press again.
Adjusting the sensitivity of the air intake control in automatic mode (IS350C only)
Press for 2 or more sec-
onds.STEP1

235
3-1. Using the air conditioning system and defogger
3
Interior features
Press “” (increase) or “ ”
(decrease) on .
From -3 (low) to 3 (high) can be
set.
Adjusting the position of and opening and closing the air outlets Front outlets (center) Direct air flow to the left or right,
up or down
Turn the knob to open or close
the vent
Front outlets (right and left side) Direct air flow to the left or right,
up or down
Turn the knob to open or close
the vent
STEP2

236
3-1. Using the air conditioning system and defogger
Rear outlets
Direct air flow to the left or right,
up or down
Turn the knob fully to the outside
of the vehicle to close the vent
■Using the automatic mode
Fan speed is adjusted automatically in accordance with the temperature setting and
ambient conditions. As a result, the following may occur.
●Immediately after is pressed, the fan may stop for a while until warm or
cool air is ready to flow.
●Cool air may flow to the area around the upper body when the heater is on.
■Using the system in recirculated air mode
The windows will fog up more easily if the recirculated air mode is used for an
extended period.
■Switching 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. When the
retractable hardtop is opened, recirculat ed air mode is automatically selected.
■Window defogger feature
Recirculated air mode may automatically switch to
(outside air) mode in situ-
ations where the windows need to be defogged.
■When outside air temperature approaches 32 F (0C)
The air conditioning system may not operate even when is pressed.

237
3-1. Using the air conditioning system and defogger
3
Interior features
■When the indicator light on flashes
Press and turn off the air conditioning system before turning it on once
more. 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.
■Automatic mode for air intake control (IS350C only)
In automatic mode, the system detects exhaust gas and other pollutants and auto-
matically switches between outside air and recirculated air modes. When the
retractable hardtop is opened, recirculat ed air mode is automatically selected.
■Micro dust and pollen filter
●In order to prevent the window from fogging up when the outside air is cold, the
following may occur.
• Outside air mode does not switch to .
• The air conditioning system operates automatically.
• The operation cancels after 1 minute.
●In rainy weather, the windows may fog up. Press .
CAUTION
■To prevent the windshield from fogging up
Do not use during cool air operation in extremely humid weather. The dif-
ference 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.
NOTICE
■To prevent battery discharge
Do not leave the automatic air conditioning system on longer than necessary when
the engine is off.

238
3-1. Using the air conditioning system and defogger
Rear window and outside rear view mirror defoggers
■The defogger can be operated when
The “ENGINE START STOP” switch is in IGNITION ON mode.
■When the retractable hardtop is open
The rear window defogger is not operable. The indicator will come on if the outside
rear view mirror defoggers are used.
CAUTION
■When the outside rear view mirror defoggers are on
Do not touch the outside surface of the rear view mirror, as it can become very hot
and burn you.
These features are used to defog the rear window, and to remove rain-
drops, dew and frost from the outside rear view mirrors.
On/off
The defoggers will automatically
turn off after 15 to 60 minutes.
The operation time changes
according to the ambient tem-
perature and vehicle speed.

239
3
Interior features
3-2. Using the audio system
Audio system type
With navigation system
Owners of models equi pped with a navigation system should refer to
the “Navigation System Owner's Manual”.
Without navigation system (type A)
CD player with changer and AM/FM radio
Without navigation system (type B)
CD player with changer and AM/FM radio

240
3-2. Using the audio system
Ti t l ePa g e
Using the radioP. 2 4 2
Using the CD playerP. 2 5 0
Playing back MP3 and WMA discsP. 2 5 7
Operating an iPod®P. 2 6 5
Operating a USB memoryP. 2 7 3
Optimal use of the audio systemP. 2 8 2
Using the AUX adapterP. 2 8 4
Using the steering wheel audio switchesP. 2 8 6