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 used to dial numbers into voice mail systems, or to dial phone extensions. See the OnStar Owner's Guide for more information.

    See also:

    Checking Brake Fluid
    You can check the brake fluid without taking off the cap. Look at the brake fluid reservoir. The fluid level should be above MIN. If it is not, have your brake system checked to see if there ...

    Setting the 12/24 Hour Format
    1. Press the CONFIG button and select Time Settings, or press . 2. Highlight 12/24 Hour Format. 3. Press SELECT to select the 12 hour or 24 hour display format. ...

    Brake Wear
    Your vehicle has four-wheel disc brakes. Disc brake pads have built-in wear indicators that make a high-pitched warning sound when the brake pads are worn and new pads are needed. The sound ma ...