The infotainment system is operated by using the pushbuttons, multifunction knobs, and menus shown on the display.
Turning the System On or Off
/VOL (Power/Volume): Press to turn
the radio 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 automatically after 10 minutes.
Volume Control

/VOL (Power/Volume): Turn to adjust
the volume.
(Phone/Mute): Press to activate OnStar.
See OnStar Overview on page 14-1.
Press and hold to mute the infotainment system. Press again or turn the
/VOL knob to cancel mute.
Operation
Menu SystemFloor Mats
Warning
If a floor mat is the wrong size or is not properly installed,
it can interfere with the pedals.
Interference with the pedals can cause unintended acceleration and/or increased
stopping distance which can cause a crash and injury. Make sure the floor mat does
not interfere with the p ...
Vehicle Messages
DIC messages display when the status of the vehicle has changed and action may
be needed to correct the condition. Multiple messages appear one after another.
All messages should be taken seriously.
Vehicle messages appear as code numbers. The owner manual indicator and service
vehicle soon li ...
Vehicle Personalization
Personalization Menu (Radio without Touchscreen)
The audio system controls and touchscreen are used to access the personalization
menus for customizing vehicle features.
The following are all possible personalization features. Depending on the vehicle,
some may not be available.
CONFIG (Confi ...