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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    Using Cruise Control on Hills
    How well the cruise control works on hills depends on the vehicle speed, the load, and the steepness of the hills. When going up steep hills, pressing the accelerator pedal may be necessary to maint ...

    Driver's knee bag
    Driver's knee bag 1 provides additional protection for the driver against: • knee injuries • thigh injuries • lower leg injuries Driver's knee bag 1 deploys below the steering wheel. Dur ...

    Heated and Ventilated Front Seats
    WARNING If you cannot feel temperature change or pain to the skin, the seat heater may cause burns even at low temperatures. To reduce the risk of burns, people with such a condition should use ca ...