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:

    INFINITI Voice Recognition Alternate Command Mode
    The following section is applicable when Alternate Command Mode is activated. When Alternate Command Mode is activated, an expanded list of commands can be used after pushing the TALK switc ...

    Passenger compartment
    CAUTION Never use a fuse of a higher or lower amperage rating than that specified on the fuse box cover. This could damage the electrical system or cause a fire. If any electrical equipme ...

    Breaking-in notes
    The first 1000 miles (1500 km) The more you look after the engine when it is new, the more satisfied you will be with its performance in the future. • Drive at varying vehicle speeds and engin ...