OnStar Services

See also:

Sunroof
For vehicles with a sunroof, the sunroof only operates when the ignition is in ON/RUN or ACC/ ACCESSORY, or in Retained Accessory Power (RAP). See Retained Accessory Power (RAP)  for more i ...

Comfort and Convenience
Select the Comfort and Convenience menu and the following will be displayed: • Chime Volume • Driver Seat Easy Exit • Park Tilt Mirrors ...

End a Call
Push . System responds: “Call ended.” ...