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 ...

    See also:

    Trailer stability assist (TSA)
    Note: This feature may not operate with all trailer designs. NOTICE Trailer Stability Assist (TSA) will not operate in the event of the trailer jack-knifing. NOTICE The ability of the sy ...

    Connecting booster cables
    WARNING Always wear appropriate eye protection when working with batteries. Make sure both batteries are of the 12 volt type and that the booster cables have insulated clamps and are approved ...

    Tumbling the Third Row Seat
    To tumble the seat: 1. Open the liftgate to access the controls for the seat. 2. Make sure the headrests are completely lowered and there is nothing under, in front of, or on the seat. 3. Fold the ...