steering wheel Lexus GS450h 2007 Using the hands-free system (for cellular phone) / LEXUS 2007 GS450H THROUGH JUNE 2006 PROD. (OM30727U) Owner's Guide

164
2-4. Using other driving systems
To disable TRAC
If the vehicle gets stuck in fresh snow or mud, TRAC may reduce power
from the engine to the wheels. You may need to turn the system off to
enable you to rock the vehicle in order to free it.
Push the button to turn off TRAC.
The slip indicator light should come
on.
Push the button again to turn the
sy
stem back on.
Once you turn the power switch
“
OFF”, TRAC will be activated
automatically.
■Automatic TRAC reactivation
TRAC is reactivated when vehicle speed exceeds 30 mph (50 km/h) even if
“

TRAC OFF” has been turned off.
■Sounds and vibrations caused by the ABS, BA, VSC, TRAC, hill-start assist con-
trol and VGRS systems
●A sound may be heard from the engine compartment when the hybrid system is
started or just after the vehicle begins to move. This sound does not indicate that
a malfunction has occurred in any of these systems.
●Any of the following conditions may occur when the above systems are operat -
ing. None of these indicates that a malfunction has occurred.
• Vibrations may be felt through the vehicle body and steering.
• A motor sound may be heard after the vehicle comes to a stop.
• The brake pedal may pulsate slightly after the ABS is activated.
• The brake pedal may move down slightly af
ter the ABS is activated.
■Hill-start assist control is operational when
●The shift lever is in the “D” or “S” position.
●The brake pedal is not depressed.

165
2-4. Using other driving systems
2
When driving
■VGRS is disabled in the following situations
●During stopping or the steering wheel has been moved for a long time while
driving at lower speeds.
●After the hybrid system is restarted at less than -22°F (-30°C).
■Reduced effectiveness of EPS
The effectiveness of EPS is reduced to prevent the system from overheating when
there is frequent steering input over an extended period of time. The steering wheel
may feel heavy as a result. Should this occur, refrain from excessive steering input or
stop the vehicle and turn the hybrid system OFF. The system should return to nor-
mal within 10 minutes.
CAUTION
Any of the following conditions may result in an accident which could cause death or
serious injury:
■The ABS does not operate effectively when
●The limits of tire gripping performance have been exceeded.
●The vehicle hydroplanes while driving at high speed on the wet or slick road.
■Stopping distance when the ABS is op erating on the wet or slick roads
The ABS is not designed to shorten the ve hicle’s stopping distance. Always main-
tain a safe distance from the vehicle in front of you in the following situations.
●When driving on dirt, gravel or snow-covered roads
●When driving with tire chains
●When driving over bumps in the road
●When driving over roads with potholes or roads with uneven roads
■TRAC may not operate effectively when
Directional control and power may not be ac hievable while driving on slippery road
surfaces, even if the TRAC is operating. 
Do not drive the vehicle in conditions where stability and power may be lost.

201
3-3. Using the audio system
3
Interior features
■Using cellular phones
Interference may be heard through the audio system’s speakers if a cellular phone is
be
ing used inside or close to the vehi cle while the audio system is operating.
CD player: Plays audio CDs, CD text, MP3 discs and WMA discs.
DVD player: Plays audio CDs, CD text, video CDs, MP3 discs,
WMA discs, DVD video discs and DVD audio discs.
Ti t l ePa g e
Using the radioP. 2 0 3
Using the cassette playerP. 2 1 2
Using the CD playerP. 2 1 6
Playing MP3 and WMA discsP. 2 2 4
Using the DVD playerP. 2 3 2
Playing DVD video/audioP. 2 3 5
Playing video CDP. 2 4 8
DVD player and DVD video disc 
informationP. 2 5 2
Optimal use of the audio/video systemP. 2 5 6
Using the steering wheel switchesP. 2 6 0

260
3-3. Using the audio system
Using the steering 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 tu rned ON. The audio sour ce
changes as follows each time the button is pr
essed. If a cassette tape or
CD is not inserted, that mode will be skipped.
Vehicles with CD player:
FM (1, 2) cassette player CD player AM SAT (1, 2, 3)
Vehicles with DVD player:
FM (1, 2) cas
sette playerDVD playerAM SAT (1, 2, 3)
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
Cassette: Fast forward, r
ewind and select -
ing tracks
CD: Select tracks, discs and folder
DVD: Select tracks, discs and chapter

262
3-3. Using the audio system
■Canceling automatic selection of a radio station
Push the same switch.
CAUTION
■To reduce the risk of an accident
Exercise care when operating the audio switches on the steering wheel.

271
3-4. Using the hands-free system
3
Interior features
Making a call
Once the Bluetooth® phone is registered, you can make a call using the
following procedure.
■ Dialing
Press .
To u c h on the “Information” screen.
To delete the input phone number, touch ţ.Inputting the phone number.
To delete the input phone number,
touch .
To dial the last input phone number,
touch .
To u c h or press the on the steering wheel.
■Reconnecting to the Bluetooth® phone
If the system cannot connect due to poor si gn
al strength with the power switch in
the “ACC” or “IG-ON” mode, the system wi ll automatically attempt to reconnect.
If the phone is turned off, the system will not
attempt to reconnect. In this case, con-
nection must be made manually, or the
phone must be re-selected.
STEP1
STEP2
STEP3
STEP4

272
3-4. Using the hands-free system
■Dialing from the phone book
You can dial a number from the phone book data imported from your
mobile phone. Up to 1 000 entries may be stor ed in the phone book.
( P. 2 9 1 )
Press .
To u c h on the “Information” screen.
To u c h on the “Telephone” screen.
Choose the data to call fr
om the
list.
Choose the number and then
touch or press the on
the steering wheel.
STEP1
STEP2
STEP3
STEP4
STEP5

273
3-4. Using the hands-free system
3
Interior features
■Dialing from history
You can make a call from past di aled numbers or r
eceived calls.
Up to 5 numbers are stored, with th e last r
ecent number being deleted
to make room for a new number.
Press .
To u c h on the “Information” screen.
To u c h on the “Telephone” screen.
Choose the number to call from
the list.
To choose a number from the
incoming calls history, touch and choose a number to
call.
To u c h or press the on
the steering wheel.
STEP1
STEP2
STEP3
STEP4
STEP5

277
3-4. Using the hands-free system
3
Interior features
■Made/Received call history list
●If you make a call to or receive a call from a number registered in the phone
book, the name is displayed in the call history.
●If you make multiple calls to the same number, only the last call made is dis-
played in the made calls history.
● is displayed to the left of phone number for unanswered calls.
●Calls where the number is unavailable, such as public telephones, are not stored
in the call history.
■When driving
●The functions “Dialing”, “Dialing from the phone book”, and “Dialing from his -
tory” are unavailable.
●If you press the on the steering wheel, the “Speed Dial” screen is displayed.
At this time phone numbers will not be disp
layed. Choose from the names dis -
played to make a call.
■International calls
You may not be able to make international c
alls, depending on the mobile phone in
use.
■To display the voice recognition command list
After pressing the talk switch,
press . If the “Operating
Guide” screen is displaying, press
.
Press .STEP1
STEP2

278
3-4. Using the hands-free system
Receiving a call
When a call is received, the following screen is displayed together with a
sound.
To u c h or press the on
the steering wheel.
■To display the voice reco gnition operating guide
■To cancel voice recognition
●Press and hold the talk switch.
●Press on the steering wheel.
●Say “Cancel”.
●Press . (excluding command verification)
■When using voice recognition
Use correct commands and speak clearly, otherwise the system may not correctly
recognize the command. Wind or other noises may also cause the system not to
recognize the desired command.
After pressing the talk switch,
press . If the “Command
List” screen is displaying, press
.
Press .STEP1
STEP2