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:

    Opening and closing the sidewindows
    1 Front left 2 Front right 3 Rear right 4 Rear left The switches for all side windows are located on the driver's door. There is also a switch on each door for the corresponding side window. ...

    Fluid level checks
    NOTICE Check the engine oil weekly. If any significant or sudden drop in oil level is noted, seek qualified assistance. If the message ENGINE OIL PRESSURE LOW is displayed, stop the engine as ...

    Detection beam issues
    Detection issues can occur: 1. When driving on a different line to the vehicle in front. 2. When a vehicle edges into your lane. The vehicle will only be detected once it has moved fully into yo ...