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 a vehicle diagnostic. If the light appears clear (no light is and request a vehicle diagnostic. If the light appears clear (no light is appearing), your OnStar subscription has expired and all services have been deactivated. Press that the OnStar equipment is active. to confirm that the OnStar equipment is active.

    See also:

    Driving experience
    The chassis and structural systems were developed in Germany and give the Buick Regal the handling and dynamics of a premium European sport sedan, as well as the quiet, refined ride and road manne ...

    City Driving
    One of the biggest problems with city streets is the amount of traffic on them. You will want to watch out for what the other drivers are doing and pay attention to traffic signals. Here are w ...

    Volume Control
    VOL/ (Volume/Power): Turn to adjust the volume. (Phone/Mute): For vehicles with OnStar®, press and hold to mute the infotainment system. Press and hold again, or turn the VOL/ knob t ...