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)Brake Rotor Assembled Lateral Runout Measurement
Special Tools
CH-41013 Rotor Surfacing Kit
CH-42450-A Wheel Hub Resurfacing Kit
CH-45101 Hub and Wheel Runout Gauge
CH-45101-100 Conical Brake Rotor Washers
For equivalent regional tools, refer to Special Tools.
Warning: Refer to Brake Dust Warning.
Note:
B ...
Water Pump Pulley Installation
Note: Counterhold the crankshaft balancer. The belt has to be
installed for this procedure.
Install the water pump pulley (2) to the water pump (3).
Caution: Refer to Fastener Caution.
Install the 3 water pump pulley bolts (1) with lockin ...
Throttle/Idle Learn
Description
The engine control module (ECM) learns the airflow through the throttle body
to ensure the correct idle. The learned airflow values are stored within the
ECM. These values are learned to adjust for production variation and will continuously
learn during the life of the ...