IF YOU CONFIRM On an Applied Vehicle, one or more of the following is occurring: * A status message "Update Failed !" is displayed with a direction to "Insert update media" while a countdown from 60 is displayed. The audio system then reboots (Nissan Logo appears), and then will restart the countdown. * The center display screen (navigation screen) intermittently goes blank (nothing is displayed) for a few seconds or longer and then returns to normal display. * Continuously reboots (Nissan Logo appears after a loss of soundor freeze condition). * XM channel selection is sometimes not working as normal or shows "XM loading" for long periods of time. * Audio sometimes is not working. * Soundlevels for balance, fader, treble,or bass do not correspond to what is displayed by the audio unit after the ignition is cycled. * Connected iPod freezes after using "Source" button or changing tracks. * Audio preset buttons do not respond when selected. * Calls unintentionally change from "hands free" to "handset". And * The Software version has been confirmed as "not current" (refer to page 3). See this bulletin for further details.