GMC Terrain: Fuel / Fuels in Foreign Countries

The U.S., Canada, and Mexico post fuel octane ratings in anti-knock index (AKI). For fuel not to use in a foreign country, see Prohibited Fuels (Gasoline).

    Prohibited Fuels (Gasoline)

    Caution Do not use fuels with any of the following conditions; doing so may damage the vehicle and void its warranty: For vehicles that are not FlexFuel, fuel labeled greater than 15% ethanol by volume, such as mid-level ethanol blends (16–50% ethanol), E85, or FlexFuel...

    Fuel Additives

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    Other information:

    GMC Terrain 2018-2025 Owners Manual: Sunroof


    Sunroof Switch Sunshade Switch If equipped, the sunroof only operates when the ignition is on or in ACC/ACCESSORY, or when Retained Accessory Power (RAP) is active. See Ignition Positions and Retained Accessory Power (RAP). Sunroof Switch Express-Open/Express-Close : To express-open the sunroof, press and release (1). Press and release (1) at any time to stop movement. To expre..

    GMC Terrain 2018-2025 Owners Manual: Traction Off Light


    This light comes on briefly while starting the engine. If it does not, have the vehicle serviced by your dealer. If the system is working normally, the indicator light then turns off. The traction off light comes on when the Traction Control System (TCS) has been turned off through the Driver Information Center (DIC). This light and the StabiliTrak OFF light come on when StabiliTrak/ Ele..

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