OnStar

See also:

Testing the Alarm
To test the alarm: 1. From inside the vehicle, lower the driver window and open the driver door. 2. Activate the system by locking the doors with the power door lock switch while the door is open, ...

XM Tune Select (If Equipped)
While the XM audio screen is displaying and a song is being listened to, press Tune Select to save that particular song. The XM Tune Select menu displays with options to store by the song title ...

SERVICE TRACTION CONTROL
This message displays when there is a problem with the Traction Control System (TCS). The TCS/StabiliTrak warning light on the instrument panel cluster also comes on. When this message disp ...