For vehicles with OnStar
•
Press and hold the mute button to activate
®
OnStar
.
•
Press and release this button once again to
deactivate OnStar
mode.
•
Press this button twice to return to sound from
the GM Mobile Digital Media system.
For vehicles without OnStar
•
Press the mute button to silence the system,
press and release this button once again to
turn the sound back on.
®
:
®
mode and go to mute
®
:
Using GM Mobile Digital Media System
for Front Seat Audio Entertainment
A. Album
B. Artist
C. Genre
D. Playlist
E. Mode Items
F. Tracks
349