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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    Engine Fan
    The vehicle has electric cooling fans. The fans spinning at low speed during most everyday driving might be heard. The fans can turn off if no cooling is required. Under heavy vehicle loading, trail ...

    Cleaning the wiper blades
    WARNING   Before cleaning the windshield or wiper blades, switch off the windshield wipers and remove the SmartKey from the ignition lock. On vehicles with KEYLESS-GO, press the Start/S ...

    Storing Radio Station Presets
    This feature stores a mix of up to 30 AM, FM, and XM (if equipped) preset stations. To store presets: 1. Press to turn the system on. 2. If viewing a map screen, press AUDIO, FAV or press the sour ...