Volume Control

VOL/ adjust the volume. (Volume/Power): Turn to adjust the volume.

OnStar®, press and hold  to mute (Phone/Mute): For vehicles with OnStar®, press and hold the infotainment system. Press and to mute the infotainment system. Press and hold again, or turn the VOL/ knob to cancel mute. knob to cancel mute.

For vehicles without OnStar®, press Press  again, or turn the VOL/ to mute the infotainment system.

Press again, or turn the VOL/ knob to cancel mute. knob to cancel mute.

    See also:

    To Transfer Audio to the In-Vehicle Bluetooth System
    The cellular phone must be paired and connected with the Bluetooth system before a call can be transferred. The connection process can take up to two minutes after the key is turned to the ON/RUN ...

    Using this Manual
    To quickly locate information about the vehicle, use the Index in the back of the manual. It is an alphabetical list of what is in the manual and the page number where it can be found. ...

    Ignition Transmission Lock Check
    While parked, and with the parking brake set, try to turn the ignition to LOCK/OFF in each shift lever position. • The ignition should turn to LOCK/OFF only when the shift lever is in P ( ...