Vehicle and Power Issues

OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.

    See also:

    Map Database Information
    Use the Map Database Information/ Remove Map Data screen button to view the coverage areas of the map database or to replace the map database. 1. Press the Map Database Information/Remove Map Dat ...

    Erasing Speed Memory
    The cruise control set speed is erased from memory by pressing or if the ignition is turned off. ...

    Storing a Flat or Spare Tire and Tools
    WARNING! Storing a jack, a tire, or other equipment in the passenger compartment of the vehicle could cause injury. In a sudden stop or collision, loose equipment could strike someone. Stor ...