audio off Lexus IS250 2010 Using The Audio System / LEXUS 2010 IS350 IS250 (OM53A23U) User Guide

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3-4. Using the hands-free phone system (for mobile phones)
3
Interior features
■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
●If the mobile phone is behind the seat or in the glove box or console box
●If metal is covering or touching the phone
■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 incoming 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 unpaved roads
• When driving at high speeds
• When a window is open
• When the air conditioning is blowing directly on the microphone
• When the air conditioning is set to high
■When transferring ownership of the vehicle
Be sure to initialize the system to prevent personal data from being improperly
accessed. (P. 3 2 1 )
■About Bluetooth®
Bluetooth is a registered trademark of
Bluetooth SIG. Inc.

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3-4. Using the hands-free phone system (for mobile phones)
3
Interior features
Using the hands-free phone system for the first time
Before using the hands-free phone system, it is necessary to register a
mobile phone in the system. The system will enter phone registration
mode automatically when starting the system with no mobile phone reg-
istered. Follow the procedure below to register (pair) a mobile phone:
Press the off-hook switch or the talk switch.
The introductory guidance and phone name registration instructions are
heard.
Select “Pair Phone” using a voice command or , and
.
Register a phone name by either of the following methods:
a. Select “Record Name” using , and , and
say the name to be registered.
b. Press the talk switch and say the name to be registered.
A voice guidance instruction to confirm the input is heard.
Select “Confirm” using a voice command or , and
.
A passkey is displayed and heard, and a voice guidance instruction for
inputting the passkey into the mobile phone is heard.
Input the passkey into the mobile phone.
Refer to the manual that comes with the mobile phone for the operation
of the phone.
Guidance for registration completion is heard.
If the mobile phone has a Bluetooth
® audio player, the audio player can
be registered at the same time. A voice guidance instruction to register a
Bluetooth
® audio player is heard.
Select “Yes” or “No” using a voice command or ,
and . (Bluetooth
® audio player P. 280)
STEP1
STEP2
STEP3
STEP4
STEP5
STEP6

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5-2. Steps to take in an emergency
■Avoiding a discharged battery
●Turn off the headlights and the audio system while the engine is off.
●Turn off any unnecessary electrical components when the vehicle is running at a
low speed for an extended period, such as in heavy traffic, etc.
CAUTION
■Avoiding battery fires or explosions
Observe the following precautions to prevent accidentally igniting the flammable
gas that may be emitted from the battery.
●Make sure the jumper cable is connected to the correct terminal and that it is not
unintentionally in contact with any part other than the intended terminal.
●Do not allow the jumper cables to come into contact with the “+” and “-” termi-
nals.
●Do not allow open flame or use matches, cigarette lighters or smoke near the
battery.
Maintain the engine speed of the second vehicle and turn the
“ENGINE START STOP” switch to IGNITION ON mode,
then start the vehicle’s engine.
Once the vehicle’s engine has started, remove the jumper
cables in the exact reverse order in which they were con-
nected.
Once the engine starts, have the vehicle checked at your Lexus dealer
as soon as possible.STEP5
STEP6