GMC Terrain: Potential Issues - Services for People with Disabilities - OnStar Additional Information - OnStar - GMC Terrain Owner's ManualGMC Terrain: Potential Issues

Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five days, OnStar can contact Roadside Assistance and a locksmith to help gain access to the vehicle.

    Languages
    The vehicle can be programmed to respond in French or Spanish. Push Q and ask an Advisor. Advisors can speak French or Spanish. ...

    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. ...

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    Off-road driving
    When driving your vehicle off-road, please observe the following precautions to ensure your driving enjoyment and to help prevent the closure of areas to off-road vehicles. ● Drive your veh ...

    Engine starting: manual transmission
    Note: Do not press the accelerator pedal when starting the engine. 1. A valid Smart Key must be inside the vehicle. 2. Fully depress the clutch pedal. 3. Press and release the start button. For ...

    Select lever
    : Shifting is possible with the brake pedal depressed. : Shifting is possible whether the brake pedal is depressed or not. However, while the ignition switch is in the “LOCK” ...