Map Scales

+ / − (Zoom In/Zoom Out): Press the zoom in or out screen buttons or the scale on the bar to change the level of map detail. The scale appears on the screen once the zoom in or zoom out screen buttons are selected. The system adjusts the map accordingly. The scale of a map can range from 1/32 mi (50 m) to 256 mi (400 km). To change English or metric, see Driver Information Center (DIC)   for more information.

    See also:

    Connections
    OnStar Hands-Free Calling allows calls to be made and received from the vehicle. The vehicle can also be controlled from a cell phone through the OnStar mobile app. See www.onstar.com for coverage m ...

    Detailed Areas
    Road network attributes are contained in the map database for detailed areas. Attributes include information such as street names, street address, turn restrictions, etc. A detailed area includes ...

    Fog Lamps
    For vehicles with fog lamps, they can be used for better vision in foggy or misty conditions. The parking lamps and/or low-beam headlamps must be on for the fog lamps to work. The fog lamp butt ...