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 SystemReclining Seatbacks
Warning
If either seatback is not locked, it could move forward in a sudden
stop or crash. That could cause injury to the person sitting there.
Always push and pull on the seatbacks to be sure they are locked.
To recline the seatback:
Lift the lever.
Move the seatback to the desired p ...
Traction Control/Electronic Stability Control
The TCS limits wheel spin. The system is on when the vehicle is started.
The StabiliTrak system assists with directional control of the vehicle in difficult
driving conditions. The system is on when the vehicle is started.
To turn off traction control, press and release the TCS/StabiliTrak bu ...
System Settings
Configuring the Number of Favorite Pages
Up to six favorite pages can be saved, and each page can store up to six radio
stations.
To configure the number of available favorite pages:
Press the CONFIG button.
Select Radio Settings.
Select Radio Favorites.
Select the number of available ...