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 2018-2022 Owners Manual: Compass and Clock


    Compass The vehicle may have a compass display on the Driver Information Center (DIC). The compass receives its heading and other information from the Global Positioning System (GPS) antenna, StabiliTrak/ Electronic Stability Control (ESC), and vehicle speed information. The compass system is designed to operate for a certain number of miles or degrees of turn before needing a signal fro..

    GMC Terrain 2018-2022 Owners Manual: How to Add Coolant to the Coolant Surge Tank


    Warning Steam and scalding liquids from a hot cooling system are under pressure. Turning the pressure cap, even a little, can cause them to come out at high speed and you could be burned. Never turn the cap when the cooling system, including the pressure cap, is hot. Wait for the cooling system and pressure cap to cool. Warning Plain water, or other liquids such as alcohol, can boil befo..

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