Buick LaCrosse: Recommended Fuel - Fuel - Driving and Operating - Buick LaCrosse Owners ManualBuick LaCrosse: 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 ga ...

    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 methylcyclopen ...

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    Common functions: Remote key/ Personal Car Communicator (PCC)*
    Personal Car Communicator (PCC)* Lock Unlock Approach lighting Trunk unlock/open Panic alarm ...

    Washing
    • Wash your vehicle regularly. Always wash your vehicle in the shade using MOPAR CarWash or equivalent, or a mild car wash soap, and rinse the panels completely with clear water. • If insec ...

    When “PUSH EJECT” is displayed
    Press the eject button to unload the disc. Check the disc for damage or deformation, and also check that the correct disc is inserted. Do not try to unload the disc forcibly. Single CDs (i.e., 8 c ...