Lexus IS F, Owner'S Manual

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3-4. Using the hands-free phone system (for mobile phones)
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Conditions under which the system will not operate
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If using a mobile phone that does not support Bluetooth
®
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If the mobile phone is switched off
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If you are outside service range
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If the mobile phone is not connected
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If the mobile phone's battery is low
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If the mobile phone is behind the seat or in the glove box or console box
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If metal is covering or touching the phone
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When using the hands-free system
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The audio system and voice guidance are muted when making a call.
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If both parties speak at the same time, it may be difficult to hear.
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If the incoming call volume is overly loud, an echo may be heard.
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Try to face toward the microphone as much as possible when speaking.
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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
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When transferring ownership of the vehicle
Be sure to initialize the system to prevent personal data from being improperly
accessed. (

P. 322)
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About Bluetooth
®
Bluetooth is a registered trademark of
Bluetooth SIG. Inc.