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:

    Rear Door Security Locks
    Your vehicle may have this feature. You can lock the rear doors so they cannot be opened from the inside by passengers. To use one of these locks do the following: 1. Open one of the rear doors. ...

    DSP (Digital Signal Processing) Settings
    For vehicles with DSP, it is used to provide a choice of different listening experiences. The DSP settings for the radio with CD are: • normal - Select this setting to adjust the audio for ...

    Setting the Tone (Bass/Midrange/Treble)
    BASS/MID/TREB (Bass, Midrange, or Treble): The radio may display some or all tones, such as BASS, MID, and TREB. To adjust the tone settings, press the knob until the tone control tabs displa ...