TOYOTA 2011 Sienna - Manual (Page 556)

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3-5. Using the hands-free phone system (for cellular phone)
■ 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 improp-
erly accessed.