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 SystemTire Chains
Warning
Do not use tire chains. There is not enough clearance. Tire chains
used on a vehicle without the proper amount of clearance can cause damage to the
brakes, suspension, or other vehicle parts. The area damaged by the tire chains
could cause loss of control and a crash.
Use another typ ...
Delayed Locking
This feature delays the locking of the doors until five seconds after all doors
are closed.
When is pressed on the power door
lock switch while the door is open, a chime will sound three times indicating delayed
locking is active.
The doors will lock automatically five seconds after all doo ...
Steering Wheel Controls
If equipped with audio steering wheel controls, some audio controls can be adjusted
at the steering wheel.
SEEK or SEEK
(Next/ Previous): Press to go to the
next or previous radio station, song on an iPod®, or file on a USB device (if equipped).
(Push to Talk): If equipped with
Bluet ...