Buick Enclave: Gasoline Specifications (U.S. and Canada Only) - Fuel - Driving and Operating - Buick Enclave Owner's ManualBuick Enclave: Gasoline Specifications (U.S. and Canada Only)

Buick Enclave / Buick Enclave Owner's Manual / Driving and Operating / Fuel / 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  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 is ...

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    Convenience closing
    General information When you lock the vehicle, you can simultaneously: • close the side windows • close the hinged side windows • close the sliding sunroof WARNING   When closin ...

    Fuel-filler cap
    WARNING ► Gasoline is extremely flammable and highly explosive under certain conditions. You could be burned or seriously injured if it is misused or mishandled. Always stop engine an ...

    Rock crawl
    This program should be used for terrain which is predominantly rocky, including for crossing river beds with submerged rocks. This program provides good low-speed control. Rock crawl can only be ...