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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    Taking out the spare tire
    Remove the luggage floor cover and spare tire cover. Remove the tool tray. Loosen the center fastener that secures the spare tire. When taking out or stowing the spare tire, make sure t ...

    Active Driving Assistance package
    General notes The Active Driving Assistance package consists of DISTRONIC PLUS Active Blind Spot Assist an Active Lane Keeping Assist. ...

    Unpairing the mobile phone
    1. "Telephone" 2. "BluetoothВ® (phone)" 3. Highlight the mobile phone that is to be unpaired. 4. "Options" Open. 5. "Remove phone from list" ...