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 SystemTop Tether Anchor
A top tether (3, 4) anchors the top of the child restraint to the vehicle.
A top tether anchor is built into the vehicle. The top tether attachment (2)
on the child restraint connects to the top tether anchor in the vehicle in order
to reduce the forward movement and rotation of the child r ...
Safety Belt Extender
If the vehicle's safety belt will fasten around you, you should use it.
But if a safety belt is not long enough, your dealer will order you an extender.
When you go in to order it, take the heaviest coat you will wear, so the extender
will be long enough for you. To help avoid personal inju ...
Tire Pressure Monitor
This vehicle may have a Tire Pressure Monitor System (TPMS).
The low tire pressure warning light
alerts to a significant loss in pressure of one of the vehicle's tires. If the warning
light comes on, stop as soon as possible and inflate the tires to the recommended
pressure shown on the T ...