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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    Rear towing point
    The rear towing point is located behind a removal panel in the lower rear bumper. The rear towing point may be used to tow another vehicle if required. 1. Rotate each of the fasteners 90 degrees ...

    Securing the vehicle to prevent it fromrolling away
    WARNING   Only jack up the vehicle on level ground or on slight inclines/declines. The vehicle could otherwise fall off the jack and injure you or others. If your vehicle is equipped wi ...

    CD/DVD/USB memory care and cleaning
    CD/DVD ► Handle a CD/DVD by its edges. Never touch the surface of the disc. Do not bend the disc. ► Always place the discs in the storage case when they are not being used. &# ...