Your Responsibility
Increase the volume of the radio if the OnStar Advisor cannot be heard.
If the light next to the OnStar buttons is red, the system may not be functioning properly. Push 
and request a vehicle diagnostic check. If the light appears clear (no light appears), your OnStar subscription has expired and all services have been deactivated.
Push to confirm that the OnStar equipment is active.
See also:
Turning the Rear Vision Camera
System On or Off
To turn the RVC system on or off:
1. Shift into P (Park).
2. Press the CONFIG button to
enter the configure menu
options.
3. Select Display.
4. Select Rear Camera Options.
5. Select Camera. ...
Driver Efficiency Gauge
For eAssist vehicles, this gauge
assists in driving efficiently and will
vary based on driver input.
To maximize efficiency, keep the
gauge pointed in the solid green
zone in the center of ...
Overview
A. RADIO/BAND . Changes the band while listening to the radio.
► Selects the radio when listening to a different audio source.
B. CD/AUX . Selects the CD player or an external audio source ...