Buick Enclave: Recommended Fuel - Fuel - Driving and Operating - Buick Enclave Owner's ManualBuick Enclave: 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 driving. If this occurs, use a gasoline rated at 87 octane or higher as soon as possible.

If heavy knocking is heard when using gasoline rated at 87 octane or higher, the engine needs service.

    Fuel
    Use of the recommended fuel is an important part of the proper maintenance of this vehicle. To help keep the engine clean and maintain optimum vehicle performance, we recommend the use of gasoline ...

    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 methylcyclopentadie ...

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    Sunroof reset
    If the battery is disconnected or the power supply is interrupted while the sunroof is partially open, it will need to be recalibrated. Once the battery is reconnected or the power supply is resto ...

    Recommended Fluids and Lubricants
    Fluids and lubricants identified below by name, part number, or specification can be obtained from your dealer. ...

    Cleaning the rear view camera
    ► Use clear water and a soft cloth to clean camera lens 1. Do not clean the camera lens and the area around the rear view camera with a power washer. ...