2007 Lexus GS450h Using the hands-free system (for cellular phone) / LEXUS 2007 GS450H FROM JULY 2006 PROD. OWNER'S MANUAL (OM30A05U)

261
3
Interior features
3-4. Using the hands-free system
Hands-free system
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. 265)

262
3-4. Using the hands-free system
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

263
3-4. Using the hands-free system
3
Interior features
■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 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 the 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 phone 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.
■Battery charge/Signal status
This display may not correspond exact ly with the mobile phone itself.
■About Bluetooth®
Bluetooth is a registered trademark of 
Bluetooth SIG. Inc.

264
3-4. Using the hands-free system
■Compatible models
Compatible with HFP (Hands Free Profile) Ver. 1.0 and OPP (Object Push Profile)
Ve r. 1 .1 .
■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.
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.
■Caution 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.
FCC ID: HYQBT0501A
IC ID: 1551A-BT0501A

265
3-4. Using the hands-free system
3
Interior features
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

266
3-4. Using the hands-free system
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

267
3-4. Using the hands-free system
3
Interior features
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 power switch is in the “ACC”
or “IG-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 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.

268
3-4. Using the hands-free system
Making a callOnce the Bluetooth
® phone is registered, you can make a call using the
following procedure.
■ Dialing
Press .
Touch 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 .
Touch or press the on the steering wheel.
STEP1
STEP2
STEP3
STEP4