GMC 2010 Sierra 1500 Crew Cab Owner's Manual page 337

The radio can control a USB storage device or an iPod
using the radio buttons and knobs and display song
information on the radio s display.
Turn to select files.
Press to go to the start of the track, if more
than ten seconds have played. Press and hold or press
multiple times to continue moving backward through
tracks.
Press to go to the next track. Press and hold
or press multiple times to continue moving forward
through tracks.
Press and hold to reverse
playback quickly. Sound is heard at a reduced volume.
Release REV to resume playing. The elapsed time
of the file displays.
playback quickly. Sound is heard at a reduced volume.
Release FWD to resume playing. The elapsed time
of the file displays.
Press to display additional information
about the selected track.
Press and hold to advance
The five softkeys below the radio display are used to
control the functions listed below.
To use the softkeys:
1. Press the first or fifth softkey below the radio
display to display the functions listed below,
or press the softkey below the function if it is
currently displayed.
2. Press the softkey below the tab with the function
on it to use that function.
Press the softkey below
track. The tab appears raised when pause is being
used. Press the softkey below
playback.
Press the softkey below the back tab to go back
to the main display screen on an iPod, or the root
directory on a USB storage device.
to pause the
again to resume
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