Compass Zone

Your dealer/retailer will set the correct zone for your location. If the zone is not set to your location or you drive out of the area, the variance needs to be changed to the appropriate zone.

To adjust for compass variance, use the following procedure:

    See also:

    Brake Pedal Travel
    See your dealer if the brake pedal does not return to normal height, or if there is a rapid increase in pedal travel. This could be a sign that brake service might be required. ...

    OnStar® Steering Wheel Controls
    Your vehicle may have a Talk/Mute button that can be used to interact with OnStar® Hands-Free Calling. On some vehicles, you may have to hold the button for a few seconds and give the command †...

    Braking
    See Brake System Warning Light . Braking action involves perception time and reaction time. Deciding to push the brake pedal is perception time. Actually doing it is reaction time. Average reaction ...