GMC Terrain: Cellular and GPS Antennas - Services for People with Disabilities - OnStar Additional Information - OnStar - GMC Terrain Owner's ManualGMC Terrain: Cellular and GPS Antennas

Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle.

    Global Positioning System (GPS)
    ○ Obstruction of the GPS can occur in a large city with tall buildings; in parking garages; around airports; in tunnels, underpasses, or parking garages; or in an area with very dense trees. ...

    Unable to Connect to OnStar Message
    If there is limited cellular coverage or the cellular network has reached maximum capacity, this message may come on. Push Q to try the call again or try again after driving a few miles into anoth ...

    See also:

    If You Can Not Shift Automatic Transmission Gearshift Lever Out of “P” (PARK)
    Vehicles with an automatic transmission have an electrically operated park-lock feature. If the vehicle’s battery is discharged, or there is some other electrical failure, the automatic transm ...

    Tow ball options
    Tow ball options 1. Bolt on tow ball onto flange. 2. Fixed swan neck tow ball. 3. Detachable tow ball. 4. Receiver for hitch (drawbar). Australia only. ...

    Refrigerant for your climate control system
    Your air conditioner uses ozone friendly refrigerant HFC134a. Therefore, the method of adding, changing or checking the refrigerant is different from the method for CFC12 (freon). Consult your ...