GMC Terrain: Performance and Maintenance / Roadside Assistance Program

U.S.: 1-888-881-3302

TTY Users (U.S. Only): 1-888-889-2438

Canada: 1-800-268-6800

New GMC owners are automatically enrolled in the Roadside Assistance Program.

See Roadside Assistance Program.

    Diesel Exhaust Fluid

    Diesel Exhaust Fluid (DEF) is used with diesel engines to reduce the amount of regulated emissions produced. The DEF system must be maintained for the vehicle to run properly...

    Keys, Doors, and Windows

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    Other information:

    GMC Terrain 2018-2025 Owners Manual: Wiper Blade Replacement


    Windshield wiper blades should be replaced periodically. See Maintenance Schedule. Replacement blades come in different types and are removed in different ways. For proper type and length, see Maintenance Replacement Parts. Caution Allowing the wiper arm to touch the windshield when no wiper blade is installed could damage the windshield. Any damage that occurs would not be covered by t..

    GMC Terrain 2018-2025 Owners Manual: Universal Remote System Operation


    Using the Universal Remote System Press and hold the appropriate Universal Remote system button for at least one-half second. The indicator light will come on while the signal is being transmitted. Erasing Universal Remote System Buttons Erase all programmed buttons when vehicle ownership is terminated. To erase: Press and hold the two outside buttons until the indicator light begins to..

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      Tire Pressure Light

      GMC Terrain. Tire Pressure Light

      For vehicles with the Tire Pressure Monitor System (TPMS), this light comes on briefly when the engine is started. It provides information about tire pressures and the TPMS.

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