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:

    Seat belt (red)
    Illuminates when the ignition is on and an occupied front seat belt is unbuckled. The lamp should extinguish when the relevant seat belt(s) is buckled. ...

    Instrument Panel
    English Version Shown; Metric Similar. A. Air Vents  . B. Turn and Lane Change Lever. See Turn and Lane-Change Signals  . Windshield Wiper/Washer  . C. Instrument Cluster  . ...

    Rear-facing child restraint installation using the seat belts
    WARNING ► The three-point seat belt with Automatic Locking Retractor (ALR) must be used when installing a child restraint. Failure to use the ALR mode will result in the child restr ...