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 SystemFabric/Carpet/Suede
Start by vacuuming the surface using a soft brush attachment. If a rotating brush
attachment is being used during vacuuming, only use it on the floor carpet. Before
cleaning, gently remove as much of the soil as possible using one of the following
techniques:
Gently blot liquids with a pap ...
Roadside Assistance Program
For U.S.-purchased vehicles, call 1-800-243-8872. (Text Telephone (TTY): 1-888-889-2438.)
For Canadian-purchased vehicles, call 1-800-268-6800.
Service is available 24 hours a day, 365 days a year.
Calling for Assistance
When calling Roadside Assistance, have the following information ready:
...
Smartphone Link (Stitcher)
Some images and explanations may vary by phone operating systems, versions, and/or
application (App) versions.
Using Stitcher
Install the Stitcher application on the smartphone.
Connect the smartphone to the infotainment system through the USB port or
Bluetooth wireless technology.
...