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 ...

    See also:

    Uconnect™ Multimedia (Satellite Radio) — If Equipped
    Satellite radio uses direct satellite-to-receiver broadcasting technology to provide clear digital sound, coast to coast. The subscription service provider is Sirius Satellite Radio. This servic ...

    Control panel for dual-zone automatic climate control
    Canada only 1. To activate/deactivate air-recirculation mode 2. To defrost the windshield 3. To switch the ZONE function on/off 4. Display 5. To set climate control to automatic ...

    Auxiliary boxes
    Type A Push the lid. Type B Push the lid. Type C (if equipped) Lift the lid. CAUTION ■Caution while driving Keep the auxiliary boxes closed. In the event of sudden braking, an acc ...