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:

    Hill and Mountain Roads
    Driving on steep hills or through mountains is different than driving on flat or rolling terrain. Tips for driving in these conditions include: ► Keep the vehicle serviced and in good shape. ...

    Checking Brake Fluid
    The brake/clutch fluid can be checked without taking off the cap by looking at the brake/clutch fluid reservoir. The fluid level should be above MIN. If it is not, have the brake/ clutch hydraulic sy ...

    Additives
    To provide cleaner air, all gasolines in the United States are now required to contain additives that help prevent engine and fuel system deposits from forming, allowing the emission control sys ...