The infotainment system is operated by using the pushbuttons, multifunction knobs, menus shown on the display, and steering wheel controls, if equipped.
Press to turn the system on and off.
Automatic Switch-Off
If the infotainment system is on after the ignition is turned off, the system will turn off automatically after 10 minutes.
Turn to adjust the volume.
For vehicles with OnStar, press and hold 5 / > to mute the infotainment system. Press and hold 5 / > again, or turn the O /VOL knob to cancel mute.
For vehicles without OnStar, press 5 / > to mute the infotainment system. Press 5 / > again, or turn the O /VOL knob to cancel mute.
Controls
The MENU/TUNE knob, MENU/TUNE button, and / BACK button are used to navigate the menu system.
MENU/TUNE Knob:
Turn to:
MENU/TUNE Button:
Press to:
/ BACK:
Press to:
Selecting a Menu Option

Submenus

An arrow on the right-hand edge of the menu indicates that it has a submenu with other options.
Activating a Setting

Entering a Character Sequence

The audio settings can be set for each radio band and each audio player source.
To quickly reset an audio setting value to 0:
Press the / BACK button to go back to the Tone Settings menu.
Adjusting the Treble, Midrange, and Bass

Press the / BACK button to go back to the Tone Settings menu.
Adjusting the Fader and Balance
Press the / BACK button to go back to the Tone Settings menu.
Adjusting the EQ (Equalizer)
For vehicles with an equalizer:
Press the / BACK button to go back to the Tone Settings menu.
Configuring the Number of Favorite Pages

To configure the number of available favorite pages:
Auto Volume
The auto volume feature automatically adjusts the radio volume to compensate for road and wind noise as the vehicle speeds up or slows down, so that the volume level is consistent.
The level of volume compensation can be selected, or the auto volume feature can be turned off.
The infotainment system is operated by using the pushbuttons, menus shown on the display, and steering wheel controls.
Turning the System On or Off
Press and hold 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
Press to increase or decrease the volume or press the volume bar.
Press z VOL y, then press > to mute and unmute the system.
Auto Volume
This feature automatically adjusts the radio volume to compensate for road and wind noise.
The level of volume compensation can be selected, or the feature can be turned off.
Audio Settings
The audio settings can be set for each radio band and each audio player source.
Press menu, then tone settings from the AM or FM menu.
Press OK to exit Tone Settings.
OnStar Overview
Overview (AM-FM Radio)Communication Interface Module Bracket Replacement
Communication Interface Module Bracket Replacement
Callout
Component Name
Preliminary Procedure
Remove the instrument panel lower compartment. Refer to
Instrument Panel Lower Compartment Replacement
1
...
Rear Brake Rotor Replacement
Special Tools
CH-41013 Rotor Resurfacing Kit
CH-42450-A Wheel Hub Resurfacing Kit
For equivalent regional tools, refer to Special Tools.
Removal Procedure
Warning: Refer to Brake Dust Warning.
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
...
Front Differential Carrier Cleaning and Inspection
Front Differential Carrier Cleaning and Inspection
Callout
Component Name
Caution: After cleaning the transmission components, allow
to air dry. Do not use cloth or paper towels in order to dry any transmission
compo ...