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)

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:

    Hitches
    The correct hitch equipment helps maintain combination control. Many trailers can be towed with a weight carrying hitch which simply features a coupler latched to the hitch ball, or a tow eye latche ...

    Floormat on the driver's side
    WARNING   Whenever you are using a floormat, make sure there is enough clearance and that the floormat is securely fastened. The floormat should always be securely fastened using the fa ...

    Engine compartment fuse box
    ...