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)

Buick Enclave / Buick Enclave Owner's Manual / Driving and Operating / Fuel / 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 ...

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    Approach/departure angle
    1 Approach/departure angle, front 2 Approach/departure angle, rear • Comply with the rules for off-road driving. • Do not drive at an angle on slopes, inclines or gradients, but instead ...

    Window Lockout
    This feature prevents the rear passenger windows from operating, except from the driver position. Press to activate the rear window locks. An indicator light will illuminate when the feature ...

    Touch-Sensitive Screen Buttons
    Touch-sensitive screen buttons are located on the screen. When a screen button has been selected, a beep sounds. Screen buttons are highlighted when a feature is available. ...