OnStar®
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. See OnStar Overview for more information.
See also:
Recommended Fluids andLubricants
Fluids and lubricants identified below by name,
part number, or specification may be obtained from
your dealer.
...
Turning the System On or Off
/VOL (Power/Volume): Press to turn
the system on and off.
Automatic Switch-Off
If the infotainment system has been turned on after the ignition is turned off,
the system will turn off automatic ...