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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    Wiper Blades
    Wiper Blades If the wiper blades become brittle or damaged, or make streaks when wiping, replace the wiper blades. To install new wiper blades, follow the procedures below. CAUTION: To avoid scra ...

    Steering wheel lock
    [For vehicles equipped with the keyless operation system]. For information on operations for vehicles equipped with the keyless operation system, refer to “Keyless operation system: Steering whe ...

    Emergency maneuvers
    • In an unavoidable emergency situation where a sudden sharp turn must be made, remember to avoid “over-driving” your vehicle, i.e., turn the steering wheel only as rapidly and as far as requi ...