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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    Loading compact discs
    NOTICE Do not force the disc into the slot. NOTICE Do not use irregular shaped CDs and CDs with a scratch protection film or self-adhesive labels attached. NOTICE The CD unit wil ...

    Seats, seat belts and Supplemental Restraint System (SRS)
    1. Seat belt for 3rd row center seat belt (Page 1-27) 2. Roof-mounted curtain side-impact and rollover supplemental air bags (P.1-54) 3. Head Restraints (P.1-10) — Front-seat Active He ...

    Phone setting
    To set up the Bluetooth® Hands-Free Phone System to your preferred settings, push the SETTING button on the instrument panel and select the “PHONE” key. Edit Vehicle Phonebook To edit t ...