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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    Terrain response operation
    A rotary control just in front of the gear lever is used to select the required special program. Information relating to the suitability of each terrain response program on different types of s ...

    Compass
    Calling up the compass ► Press the button on the multifunction steering wheel repeatedly until the Offroad menu appears in the multifunction display. The compass shows which direction t ...

    USB memory operation
    Audio main operation Open the tray lid and connect a USB memory 1 as illustrated. Then, push the DISC·AUX button repeatedly to switch to the USB memory mode. If the system has been turned ...