GMC 2006 Sierra 1500 Pickup Owner's Manual page 291

4. Press and hold the SONG LIST button to save
the track into memory. When SONG LIST is
pressed, one beep will be heard immediately. After
two seconds of continuously pressing the SONG
LIST button, two beeps will sound to confirm the
track has been saved.
5. Repeat Steps 3 and 4 for saving other selections.
S-LIST FULL will appear on the display if you try to save
more than 20 selections.
To play the song list, press the SONG LIST button.
One beep will be heard and S-LIST will appear on the
display. The recorded tracks will begin to play in the order
they were saved.
Seek through the song list by using the SEEK or TYPE
arrows. Seeking past the last saved track will return to the
first saved track.
To delete tracks from the song list, perform the following
steps:
1. Turn the CD player on.
2. Press the SONG LIST button to turn song list on.
S-LIST will appear on the display.
3. Press either SEEK or TYPE arrow to select the
desired track to be deleted.
4. Press and hold the SONG LIST button for
two seconds. When SONG LIST is pressed,
one beep will be heard immediately. After
two seconds of continuously pressing the SONG
LIST button, two beeps will be heard to confirm
that the track has been deleted.
After a track has been deleted, the remaining tracks are
moved up the list. When another track is added to the
song list, the track will be added to the end of the list.
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