GMC Terrain: OnStar® - Performance and Maintenance - In Brief - GMC Terrain Owner's ManualGMC Terrain: OnStar®

If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. See OnStar Overview on page 14‑1 for more information.

    Roadside Assistance Program
    As the owner of a new GMC, you are automatically enrolled in the Roadside Assistance program. See Roadside Assistance Program (U.S. and Canada) on page 13‑7 or Roadside Assistance Program (M ...

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    Before Driving Off-Road
    ○ Have all necessary maintenance and service work completed. ○ Fuel the vehicle, fill fluid levels, and check inflation pressure in all tires, including the spare, if equipped. ○ ...

    Engine
    Display messages Possible causes/consequences and Solutions The yellow Check Engine warning lamp lights up while the engine is running. There may be a malfunction, for ex ...

    Home safe and approach lighting
    The light on the door mirrors comes on when approach lighting or home safe lighting is selected, see page 96. ...