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:

    Shifting Into Park
    WARNING! It can be dangerous to get out of the vehicle if the shift lever is not fully in P (Park) with the parking brake firmly set. The vehicle can roll. If you have left the engine runni ...

    Transferring Service
    Push to request account transfer eligibility information. The Advisor can assist in canceling or removing account information. If OnStar receives information that vehicle ownership has ch ...

    Reading Lamps
    The reading lamps are located on the overhead console. These lamps come on automatically when any door is opened. For manual operation, press the button next to each lamp to turn it on or o ...