Buick Regal: Your Responsibility - OnStar® - Performance and Maintenance - In Brief - Buick Regal Owners ManualBuick Regal: 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. Push Push  to confirm that the OnStar equipment is active. and request a vehicle diagnostic check. If the light appears clear (no light appears), your OnStar subscription has expired and all services have been deactivated.

Push Keys, Doors and Windows to confirm that the OnStar equipment is active.

    OnStar Steering Wheel Controls
    This vehicle may have a Talk/Mute button that can be used to interact with OnStar Hands-Free calling. See Steering Wheel Controls  for more information. On some vehicles, the Talk button can be ...

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    Items to initialize
    The following items must be initialized for normal system operation after such cases as the battery being reconnected, or maintenance being performed on the vehicle: ...

    Severe strain on the brake system
    The brakes will be subject to severe strain when driving in mountains or hilly areas, or when towing a trailer. Vehicle speed is usually slower, which means that the cooling of the brakes is less ...

    Operating
    Operating the power windows 1 - Manual up/down 2 - Auto up/down. All power windows can be operated using the control panel in the driver's door. The control panels in the other doors only o ...