Adjusting the Volume

Turn the VOL/ volume of the infotainment system knob to adjust the volume of the infotainment system after the volume level has been set on the portable audio device.

    See also:

    Anti-theft Alarm System
    This vehicle has an anti-theft alarm system. ...

    Interior Glass
    To clean, use a terry cloth fabric dampened with water. Wipe droplets left behind with a clean dry cloth. Commercial glass cleaners may be used, if necessary, after cleaning the interior glass wit ...

    Your Responsibility
    Increase the volume of the radio if the OnStar advisor cannot be heard. If the light next to the OnStar buttons is red, the system may not be functioning properly. Press and request a vehicle ...