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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    Using the AUX port
    This port can be used to connect a portable audio device and listen to it through the vehicle’s speakers. Open the cover and connect the portable audio device. Press . ■Operating port ...

    Inside mirror
    Inside mirror The inside mirror has a day and night position. Pull the tab at the bottom of the mirror toward you for the night position. Push it away for the day position. The night posit ...

    Child-proof locks for the rear doors
    WARNING Children could open a rear door from inside the vehicle. This could result in serious injuries or an accident. Therefore, when children ride in the rear always secure the rear doors ...