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:

    Exterior mirror out of position
    If an exterior mirror has been pushed out of position, proceed as follows: ► Vehicles without electrically folding exterior mirrors: move the exterior mirror into the correct position manu ...

    Reprogramming a single HomeLink® button
    To reprogram a HomeLink® Universal Transceiver button, complete the following. 1. Push and hold the desired HomeLink® button. Do not release the button until step 4 has been completed. 2. ...

    Third Row Seats
    If the vehicle has a third row seat, the seatback can be folded, and the entire seat can be tumbled or removed from the vehicle. ...