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 ...

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    To Stop Playing a CD
    Press the AM/FMor CD/XM button to switch to the radio or satellite radio while a CD is playing. If there is a PC card in the audio unit, touch the CARD icon to switch to the PC card while a C ...

    Closing the fuel tank cap
    When replacing the fuel tank cap, turn it until a clicking sound is heard. After releasing your hand, the cap will turn slightly to the opposite direction. ■Fuel types Use unleaded gaso ...

    Jacking Instructions
    WARNING! Carefully follow these tire changing warnings to help prevent personal injury or damage to your vehicle: • Always park on a firm, level surface as far from the edge of the roadway ...