GMC 2010 Canyon Crew Cab Owner's Manual page 211

To play all the tracks in random order on the CD, press
and hold this button for two seconds. A beep sounds and
DISC RDM (disc random) displays. This feature does not
work with playlists.
When in random, pressing and releasing either SEEK
arrow takes the CD to the previous or to the next
random track.
Press and release this button again to turn off random
play. NO RDM (no random) displays.
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SEEK : Press the left SEEK arrow to go to the
start of the previous track. Press the right SEEK arrow to
go to the start of the next track. Pressing either SEEK
arrow for more than two seconds searches the previous
or next tracks at two tracks per second. Release the
button to stop searching and to play the track.
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TUNE : Turning this knob fast tracks reverse or
advances through the tracks in all folders or playlists.
The track number and file name displays for each track.
Turning this knob while in random fast tracks reverse
or advances the tracks in sequential order.
DISPL (Display): Press this knob to switch between
track mode, folder/playlist mode, and time of day mode.
The display shows only eight characters, but there can
be up to four pages of text. If there are more than eight
characters in the song, folder, or playlist name, pressing
this knob within two seconds takes you to the next page
of text. If there are no other pages to be shown, pressing
this knob within two seconds takes you to the next
display mode.
•
Track mode displays the current track number and
the ID3 tag song name.
•
Folder/playlist mode displays the current folder or
playlist number and the folder/playlist name.
•
Time of day mode displays the time of day and the
ID3 tag song name.
To change the default on the display, press the DISPL
knob until you see the desired display, then press
and hold this knob for two seconds. The radio produces
one beep and the selected display is now the default.
INFO (Information): INFO displays when a current
track has ID3 tag information. Press this button to
display the artist name and album contained in the tag.
INFO disappears from the display when the information
in the ID3 tag has finished being read.
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