2013 Lexus LX 570 Owners Manual - Page 625

3-5. Using the hands-free system (for cellular phone) n When using the hands-free system l The audio system is muted when making a call. l If both parties speak at the same time, it may be difficult to hear. l If the incoming call volume is overly loud, an echo may be heard. l Try to face toward the microphone as much as possible when speaking. l In the following circumstances, it may be difficult to hear the other party When driving on unpaved 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 There is an effect from the network of the cellular phone 3 Interior features n Conditions under which the system will not operate l If using a cellular phone that does not support Bluetooth® l If the cellular phone is turned off l If you are outside service range l If the cellular phone is not connected l If the cellular phone's battery is low l When the cellular phone is not connected, "No connect" is displayed. n When using the touch screen Dimmed screen buttons cannot be operated. 611 LX570_U (OM60G53U)