GMC 2010 Sierra 1500 Crew Cab Owner's Manual page 330

Press to display directional arrows for
navigating through the menus.
Press to cycle through audio
stream formats located on the DVD-A disc. The video
screen shows the audio stream changing.
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.
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To stop playing a DVD without turning off the system,
press the button on the remote control, or press the
softkey 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
the remote control, or press the softkey 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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