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:

    Vehicle Dynamic Control (VDC) OFF switch
    The vehicle should be driven with the Vehicle Dynamic Control (VDC) system on for most driving conditions. If the vehicle is stuck in mud or snow, the VDC system reduces the engine output to ...

    Removing the Spare Tire and Tools
    The equipment needed to change a flat tire is stored under the storage tray, located on the driver side trim panel, over the rear wheelhouse. Regular Wheelbase Shown, Extended Wheelbase Similar. ...

    Adjusting the head restraints manually
    The head restraints must only be removed at a qualified specialist workshop. Mercedes-Benz recommends that you use a Mercedes-Benz Center for this purpose. ► If the head restraint is f ...