Lexus GS350 2008 Do-it-yourself maintenance / LEXUS 2008 GS460/350 OWNER'S MANUAL (OM30A87U)

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3-4. Using the hands-free system (for cellular phone)
Hands-free system (for cellular phone)
The hands-free system is a function that allows you to use your mobile
phone without touching it.
This system supports Bluetooth
® mobile phones. Bluetooth® is a wireless
data system that allows the mobile phone to wirelessly connect to the
hands-free system and make/receive calls.
Telephone switch
Sending/Receiving/“Tele-
phone” screen display (when
stopped)
End call
Microphone The person you are speaking to
can be heard from the driver’s
side speaker.
To use the hands-free system you must register your Bluetooth
®
phone in the system. ( P. 2 9 6 )

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Status displayYou can check such indicators as sig nal strength and battery charge on
the “Telephone” screen.
Connection status
Battery charge
Call area
Signal strength
IndicatorsConditions
Connection status
Blue: Good
Yellow: Bad
: Not connected
Battery charge: Full
: Low
Call area“Rm”: Roaming area
“Hm”: Home area
Signal strength
: Good
: Bad
: Not connected

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■When using the hands-free system
●The audio system and voice guidance are muted when making a call.
●If both parties speak at the same time, it may be difficult to hear.
●If the received call volume is overly loud, an echo may be heard.
●Try to face toward the microphone as much as possible when speaking.
●In the following circumstances it may be difficult to hear the other party.
• When driving on unsealed roads
• When driving at high speeds
• If a window is open
• If the air conditioning is blowing directly on the microphone
• If the air conditioning is set to high
■Conditions under which the system will not operate
●If using a mobile phone that does not support Bluetooth®.
●If the mobile phone is switched off.
●If you are outside service range.
●If the mobile phon e is not connected.
●If the mobile phone’s battery is low.
■Bluetooth® antenna
The antenna is built into the display. If the mobile phone is behind the seat or in the
console box, or touching or covered by metal objects, connection status may dete-
riorate.

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■Battery charge/Signal status
This display may not correspond exactly with the mobile phone itself.
■About Bluetooth®
■Compatible models
Compatible with HFP (Hands Free Profile) Ver. 1.0 and OPP (Object Push Profile)
Ve r. 1 .1 .
If your cellular phone does not suppor t HFP, you cannot enter the Bluetooth
®
phone, and take OPP service individually.
■Certification for the hands-free system
This device complies with Part 15 of the FCC Rules and RSS-210. Operation is sub-
ject to the following two conditions: (1) This device may not cause harmful interfer-
ence, and (2) This device must accept any interference received, including
interference that may cause undesired operation.
Bluetooth is a registered trademark of 
Bluetooth SIG. Inc.
FCC ID: HYQBT0501A
IC ID: 1551A-BT0501A

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CAUTION
■FCC WARNING
Changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
Radio Frequency Exposure. This device is approved for Mobile Application only
and, to comply with applicable FCC radio frequency exposure regulations, must be
used with a distance of at least 7.9 in. (20 cm) between the antenna and the body of
any person at all time during use.
■While driving
Do not use the mobile phone or connect the Bluetooth
® system.
NOTICE
■When leaving the vehicle
Do not leave your mobile phone in the vehicle. The inside of the vehicle may
become hot, causing da mage to the phone.

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Using the Bluetooth® phone
Registering a Bluetooth® phone
You can register up to 6 phones in the system. Press .
Touch on the “Information” screen.
Touch on the “Telephone” screen.
Telephone screen
To display the screen shown above, press , then touch on the
“Information” screen.
Bluetooth® Connection Status Display Last 
Person Called
Make A Call
Character Deletion
STEP1
STEP2
STEP3

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To u c h .
To u c h .
Input the passkey displayed on
screen into your phone.
If the message “Bluetooth* con-
nection successful” is displayed,
registration is complete.
If the message “Bluetooth* con-
nection failed. Please check the
“Passkey” and the settings of the
telephone” is displayed, start again
from the beginning.
*: Bluetooth is a registered trade-mark of Bluetooth SIG. Inc.
STEP4
STEP5
STEP6

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Bluetooth® phone connection
There are two connection methods av ailable—automatic and manual.
Press .
Touch on the “Information” screen.
Touch on the “Telephone” screen.
Choose one of the following methods. Automatic connection
If the “ENGINE START STOP”
switch is in the ACCESSORY or
IGNITION ON mode, the system
will automatically connect to the 
Bluetooth
® phone. Touching auto-
matic connection will turn it on/off.
Manual connection
If automatic connection fails or is
turned off, connection must be
made manually.
If the message “Bluetooth* con-
nection successful” is displayed,
connection is complete.
*: Bluetooth is a registered trade- mark of Bluetooth SIG. Inc.
STEP1
STEP2
STEP3
STEP4
■Reconnecting to the Bluetooth® phone
If the system cannot connect due to poor signal strength with the “ENGINE START
STOP” switch in the ACCESSORY or IGNI TION ON mode, the system will auto-
matically 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.

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Making a callOnce the Bluetooth
® phone is registered, you can make a call using the
following procedure.
■ Dialing
Press .
Touch on the “Information” screen.
Inputting the phone number.
To delete the input phone number,
touch .
To dial the last input phone number,
touch .
Touch or press on the steering wheel.
STEP1
STEP2
STEP3
STEP4

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■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. 320)
Press .
Touch on the “Information” screen.
Touch on the “Telephone” screen. Choose the data to call from the
list.
Choose the number and then
touch or press on the
steering wheel.
STEP1
STEP2
STEP3
STEP4
STEP5