Lexus IS250 2007 Basic Functions / LEXUS 2007 IS350/250 OWNER'S MANUAL (OM53578U)

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3-2. Using the audio system
3
Interior features
Optimal use of the audio system
Ty p e A
Ty p e B
Adjusting the sound quality
Changing the sound quality modesChanging the listening positionAdjusting the ASL
Adjusting the sound quality
Changing the sound quality modesAdjusting the ASL

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3-2. Using the audio system
Adjusting the Automatic Sound Levelizer (ASL)
Press .
The ASL switches between ON and OFF modes each time the switch is
pressed.
ASL automatically adjusts the volume and tone quality according to the noise
level as you drive your vehicle.
Changing the listening position (type A only)
The sound feel setting can be changed to produce the best sound for
each listening position.
Press (position selector) to change the setting.
The display changes as follows each time the button is pressed.
Adjusting sound quality and volume balance
■Changing sound quality modes
Press
Pressing the button changes the sound mode in the following order.
BASMIDTREFA dBALSURROUND (type B only)
■Adjusting sound quality
Press or to adjust the level.
DisplayListening position
DRIVERPosition best suited to the driver’s seat
FRONTPosition best suited to the driver’s and front passenger
seats
REARPosition best suited to the rear seats
ALLPosition best suited to all seats

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3-2. Using the audio system
3
Interior features
*: The sound quality level is adjusted individually in each AMFM or CD mode.
■Surround (type B only)
When the surround mode is ON, the matrix 7.1 surround sound system provides a
realistic sound field.
Sound qual-
ity modeMode
displayedLevelPress Press 
Bass*BAS-5 to 5
LowHighMid-range*MID-5 to 5
Tr e b l e*TRE-5 to 5
Front/rear
volume
balance
FA dF7 to R7Shifts to rearShifts to front
Left/right
volume
balance
BALL7 to R7Shifts to leftShifts to right
Surround
(type B only)SUR-
ROUNDON/OFFOFFON

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3-2. Using the audio system
Using the AUX adapter
■Operating portable audio devices connected to the audio system
The volume can be adjusted using the vehicle's audio controls. All other adjust-
ments must be made on the portable audio device itself.
■When using a portable audio device connected to the power outlet
Noise may occur during playback. Use the power source of the portable audio
device.
This adapter can be used to connect a portable audio device and listen to it
through the vehicle’s speakers.
Connect the portable audio
device.
Press .STEP1
STEP2

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3-2. Using the audio system
3
Interior features
Using the steering wheel audio switches
Turning on the power
Press when the audio system is turned OFF.
The audio system can be turned off by holding the switch down for 1 second
or more.
Changing the audio source
Press when the audio system is turned ON. The audio source
changes as follows each time the switch is pressed.
FM1FM2CD changerAUXAMSAT1SAT2SAT3
Adjusting the volume
Press + on to increase the volume and - to decrease the volume.
Hold down the switch to continue increasing or decreasing the volume.
Some audio features can be controlled using the switches on the steering
wheel.
Power on, select audio
source
Vo l u m e
Radio: Select radio stations
CD: Select tracks, files (MP3
and WMA) and discs

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3-2. Using the audio system
Selecting a radio station
Press to select the radio mode.
Press or  on the switch to select a radio station.
To scan for receivable stations, press and hold the switch until you hear
a beep.
Selecting a track/file
Press to select the CD mode.
Press  or  on the switch to select the desired track/file.
Selecting a disc in the CD player
Press to select the CD mode.
Press and hold  or  on switch until a beep is heard.
CAUTION
■To reduce the risk of an accident
Exercise care when operating the audio switches on the steering wheel.
STEP1
STEP2
STEP1
STEP2
STEP1
STEP2

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3
Interior features
3-3. Using the interior lights
Interior lights list
Your Lexus is equipped with the illuminated entry system to assist in enter-
ing the vehicle. Owing to the function of the system, the lights shown in the
following illustration automatically turn on/off according to the presence of
the electronic key, whether the doors are locked/unlocked, whether the
doors are opened/closed, and the engine switch mode.
Front personal lights (P. 211)
Front interior light (P. 211)
Front overhead courtesy light
Rear personal lights (P. 211)
Rear interior light
Rear overhead courtesy light
Shift lever lighting (when engine switch is in ACC or IG-ON mode)
Front foot well lighting

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3-3. Using the interior lights
■Illuminated entry system
The following interior lights come on automatically when you approach the vehicle
with the electronic key on your person. Note that the illuminated entry system oper-
ates only when the interior light switch (door position ON/OFF) is ON.
●Front overhead courtesy light
●Rear overhead courtesy light
●Outer foot light
The following lights turn on when any of the doors is unlocked or opened.
●Front interior light
●Rear interior lights
●Front foot well lighting
●Front door courtesy lighting
●Front scuff lighting
The following lights turn on for approximately 15 seconds when the engine switch is
turned to OFF from the IG-ON or ACC mode. (The lights turn off immediately if
the doors are locked or the engine switch is set to ACC or IG-ON mode.)
●Front overhead courtesy light
●Rear overhead courtesy light
■To prevent the battery from being discharged
If the overhead courtesy lights and interior lights remain ON when the door is not
fully closed and the interior light switch (door position ON/OFF) is ON, the lights
will go off automatically after 20 minutes.
■Customization
Setting (e.g. The time elapsed before lights turn off) can be changed. (
P. 406)
Front door courtesy lighting
Front scuff lighting (if equipped)
Outer foot lights
Turning the instrument panel light control knob fully to the left disables the
shift lever lighting and front foot well lighting.

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3-3. Using the interior lights
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Interior features
Interior lights
Door position ON/OFF
ON/OFF
Models without an electric moon roof
Models with an electric moon roof
Personal lights
ON/OFF
Front (models without an electric moon roof)
Interior lights and personal lights

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3-3. Using the interior lights
Front (models with an electric moon roof)
Rear
Personal lights