GMC Terrain: Gasoline Specifications (U.S. and Canada Only) - Fuel - Driving and Operating - GMC Terrain Owner's ManualGMC Terrain: Gasoline Specifications (U.S. and Canada Only)

At a minimum, gasoline should meet ASTM specification D 4814 in the United States or CAN/CGSB&-3.5 or 3.511 in Canada. Some gasolines contain an octane-enhancing additive called methylcyclopentadienyl manganese tricarbonyl (MMT). We recommend against the use of gasolines containing MMT. See Fuel Additives on page 9‑52 for additional information.

    Recommended Fuel
    Use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less than 87, an audible knocking noise, commonly referred to as spark knock, might be heard when ...

    California Fuel Requirements
    If the vehicle is certified to meet California Emissions Standards, it is designed to operate on fuels that meet California specifications. See the underhood emission control label. If this fuel i ...

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    Warning
    WARNING: You should take extreme care when working on your vehicle to prevent accidental injury. Here are a few precautions that you should be especially careful to observe: • To prevent da ...

    Engine oil and filter recommendations
    Look for this certification trademark. Use SAE 5W-20 engine oil Only use oils certified for gasoline engines by the American Petroleum Institute (API). An oil with this trademark symbol conforms ...

    Tire Messages
    SERVICE TIRE MONITOR SYSTEM This message displays if there is a problem with the Tire Pressure Monitor System (TPMS). See Tire Pressure Monitor Operation on page 10‑54 for more information. ...