2011 Lexus IS250 Automatic

210
3-1. Using the air conditioning system and defogger
IS350/250_U
Micro dust and pollen filterPress .
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 (IS350 only)
Press for 2 or more sec-
onds.STEP1

212
3-1. Using the air conditioning system and defogger
IS350/250_URear 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 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 in accor-
dance with the temperature setting and the inside temperature.
■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.
■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.

213
3-1. Using the air conditioning system and defogger
3
Interior features
IS350/250_U
■Automatic mode for air intake control (IS350 only)
In automatic mode, the system detects exhaust gas and other pollutants and auto-
matically switches between outside air and recirculated air modes.
■Micro dust and pollen filter
●In order to prevent the windshield 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 .
■Air conditioning odors
●During use, various odors from inside and outside the vehicle may enter into
and accumulate in the air conditioning system. This may then cause odor to be
emitted from the vents.
●To reduce potential odors from occurring:
• It is recommended that the air conditioning system be set to outside air mode
prior to turning the vehicle off.
• The start timing of the blower may be delayed for a short period of time immediately after the air conditioning system is started in automatic mode.
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 air conditio ning system on longer than necessary when the engine
is off.

214
3-1. Using the air conditioning system and defogger
IS350/250_U
Rear window and outside rear view mirror defoggers
■The defogger can be operated when
The “ENGINE START STOP” switch is in IGNITION ON mode.
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.
With navigation system
Owners of models equipped with a navigation system should refer to the
“Navigation System Owner's Manual”.
Without navigation systemOn/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.

215
3-1. Using the air conditioning system and defogger
3
Interior features
IS350/250_U
Windshield wiper de-icer∗
■The windshield wiper de-icer
The “ENGINE START STOP” switch is in IGNITION ON mode.
CAUTION
■When the windshield wiper de-icer is on
Do not touch the glass at the lower part of the windshield or to the side of the front
pillars as the surfaces can become very hot and burn you.
∗: If equipped
This feature is used to prevent ice from building up on the windshield and
wiper blades.
On/off
The windshield wiper de-icer
will automatically turn off after
approximately 15 minutes.

225
3-2. Using the audio system
3
Interior features
IS350/250_U
■If the satellite radio does not operate normally
If a problem occurs with the XM
® tuner, a message will appear on the display. Refer
to the table below to identify the problem, and take the suggested corrective action.
“A N T E N N A”
The XM® antenna is not connected. Check whether
the XM® antenna cable is attached securely.
There is a short-circuit in the antenna or the surround-
ing antenna cable. See a Lexus certified dealer.
“UNAUTH”
You have not subscribed to the XM® Satellite Radio.
The radio is being updated with the latest encryption
code. Contact the XM
® Satellite Radio for subscrip-
tion information. When a contract is canceled, you can
choose the “CH000” and all free-to-air channels.
The premium channel you selected is not authorized.
Wait for about 2 seconds until the radio returns to the
previous channel or “CH001”. If it does not change
automatically, select another channel. If you want to lis-
ten to the premium channel, contact XM
® Satellite
Radio.
“NO SIGNAL”
The XM® signal is too weak at the current location.
Wait until your vehicle reaches a location with a stron-
ger signal.
“LOADING”The unit is acquiring audio or program information.
Wait until the unit has received the information.
“OFF AIR”The channel you selected is not broadcasting any pro-
gramming. Select another channel.
“-----”
There is no song/program title or artist name/feature
associated with the channel at that time. No action
needed.

232
3-2. Using the audio system
IS350/250_U
■CD player protection feature
To protect the internal components, playback is automatically stopped when a
problem is detected.
■If CDs are left inside the CD player or in the ejected position for extended peri-
ods
CDs may be damaged and may not play properly.
■Lens cleaners
Do not use lens cleaners. Doing so may damage the CD player.
NOTICE
■CDs and adapters that cannot be used
Do not use the following types of CDs, 3 in. (8 cm) CD adapters or Dual Disc.
Doing so may damage the CD player and/or the CD insert/eject function.
●CDs that have a diameter that is not 4.7 in.
(12 cm).
●Low-quality and deformed CDs.

238
3-2. Using the audio system
IS350/250_U
■Discs that can be used
Discs with the marks shown below can be used.
Playback may not be possible depending on recording format or disc features, or
due to scratches, dirt or deterioration.
■CD player protection feature
To protect the internal components, playback is automatically stopped when a
problem is detected while the CD player is being used.
■If CDs are left inside the CD player or in the ejected position for extended peri-
ods
CDs may be damaged and may not play properly.
■Lens cleaners
Do not use lens cleaners. Doing so may damage the CD player.
■MP3 and WMA files
MP3 (MPEG Audio LAYER 3) is a standard audio compression format.
Files can be compressed to approximately 1 /10 of their original size by using MP3
compression.
WMA (Windows Media Audio) is a Microsoft audio compression format.
This format compresses audio data to a size smaller than that of the MP3 format.
There is a limit to the MP3 and WMA file standards and to the media/formats
recorded by them that can be used.
●MP3 file compatibility
• Compatible standards
MP3 (MPEG1 LAYER3, MPEG2 LSF LAYER3)
• Compatible sampling frequencies
MPEG1 LAYER3: 32, 44.1, 48 (kHz)
MPEG2 LSF LAYER3: 16, 22.05, 24 (kHz)
• Compatible bit rates (compatible with VBR) MPEG1 LAYER3: 64, 80, 96, 112, 128, 160, 192, 224, 256, 320 (kbps)
MPEG2 LSF LAYER3: 64, 80, 96, 112, 128, 144, 160 (kbps)
• Compatible channel modes: stereo, joint stereo, dual channel and monaural