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: Hazard Warning Flashers


    : Press to make the front and rear turn signal lamps flash on and off. This warns others that you are having trouble. Press again to turn the flashers off...

    GMC Terrain 2018-2025 Owners Manual: Stop/Start System and Remote Keyless Entry (RKE) System


    Stop/Start System If equipped, the Stop/Start system will shut off the engine to help conserve fuel. It has components designed for the increased number of starts. When the brakes are applied and the vehicle is at a complete stop, the engine may turn off. When stopped, the tachometer displays AUTO STOP. See Tachometer. When the brake pedal is released or the accelerator pedal is pressed,..

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