See also:

How OnStar Service Works
Automatic Crash Response, Emergency Services, Crisis Assist, Stolen Vehicle Assistance, Vehicle Diagnostics, Remote Door Unlock, Roadside Assistance, Turn-by-Turn Navigation, and Hands-Free ...

Inserting a CD (Single Disc Player)
With the printed side facing up, insert a CD into the audio CD slot until it is drawn in. The CD track number and a Shuffle tab display and playback begins. If the ignition or radio is turned ...

Security Light
The immobilizer light should come on briefly as the engine is started. If it does not come on, have the vehicle serviced by your dealer. If the system is working normally, the indicator ligh ...