How to Detect a Tamper Condition
If 
is pressed and the horn sounds,
an attempted break-in occurred while the system was armed.
If the alarm has been activated, a message will appear on the DIC. See Anti-theft Alarm System Messages for additional information.
See also:
General Information
For service and parts needs, visit your dealer. You will receive genuine GM parts
and GM-trained and supported service people.
Genuine GM parts have one of these marks:
...
Mass Storage Media (MEM)
Infotainment systems with MEM
storage are able to record up to
1.1 GB (gigabyte) of music from
audio CDs, MP3/WMA/AAC discs,
and USB storage devices. The MEM
player can also time shift audio ...
CD/DVD Player
The CD/DVD player can play CDs,
DVD-As, MP3/WMA CDs, MP3/WMA DVDs, and DVD-Vs.
The CD/DVD player will not play
8 cm (3 in) discs. ...