Reactivation for Subsequent Owners
Push 
and follow the prompts to
speak to an Advisor as soon as
possible after acquiring the vehicle.
The Advisor will update vehicle records and will explain the OnStar service offers and options available.
See also:
Volume Control
VOL/ (Volume/Power): Turn to
adjust the volume.
(Phone/Mute): For vehicles with
OnStar®, press and hold to mute
the infotainment system. Press and
hold again, or turn the VOL/
knob t ...
Shuffle (Radio with CD/DVD/MEM)
Turn the Menu knob and set Shuffle
Songs to On or Off.
Shuffle On: Plays current tracks in
random order.
Shuffle Off: Plays current tracks in
sequential order. ...
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 ...