GMC 2009 Sierra - Manual (Page 231)

Nav (Navigate): Press to display directional arrows for
navigating through the menus.
e (Audio Stream): Press to cycle through audio
stream formats located on the DVD-A disc. The video
screen shows the audio stream changing.
Inserting a Disc
To play a disc, gently insert the disc, with the label side
up, into the loading slot. The DVD player might not
accept some paper labeled media. The player starts
loading the disc into the system and show “Loading
Disc” on the radio display. At the same time, the radio
displays a softkey menu of option(s). Some discs
automatically play the movie while others default to
the softkey menu display, which requires the Play,
Enter, or Navigation softkeys to be pressed; either by
softkey or by the rear seat passenger using the
remote control.
Loading a disc into the system, depending on media
type and format, ranges from 5 to 20 seconds for a CD,
and up to 30 seconds for a DVD.
Stopping and Resuming Playback
To stop playing a DVD without turning off the system,
press the
c button on the remote control, or press the
pushbutton located under the stop or the play/pause
symbol tags displayed on the radio. If the radio head is
sourced to something other than DVD-V, press the
DVD/CD AUX button to make DVD-V the active source.
To resume DVD playback, press the
r
/ j button
on the remote control, or press the pushbutton located
under the play/pause symbol tag displayed on the
radio. The DVD should resume play from where it last
stopped if the disc has not been ejected and the
stop button has not been pressed twice on the remote
control. If the disc has been ejected or the stop
button has been pressed twice on the remote control,
the disc resumes playing at the beginning of the disc.
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