FORD 2008 Explorer v.3 - Manual (Page 81)

While operating in Headphone Only Mode, the system will have limited
functionality.
• The system will only output audio to the headphones. It will not be
capable of providing audio to the speakers.
• The available sources in FES Headphone Only Mode are DVD-DISC
and DVD-AUX, regardless of headphone channel (A or B).
• When a disc is inserted into the FES while in Headphone Only Mode,
both headphone channels (A and B) will be connected to FES-DISC.
NAVIGATION SYSTEM (IF EQUIPPED)
Your vehicle may be equipped with a Navigation System. Refer to the
Navigation supplement for further information.
SYNC (IF EQUIPPED)
Your vehicle may be equipped with SYNC, a hands-free communications
and entertainment system with special phone and media features. For
more information, please refer to the SYNC supplement or to the SYNC
section in the Navigation supplement (if equipped).
Entertainment Systems
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