Buick Regal: California Fuel Requirements - Object Detection Systems - Driving and Operating - Buick Regal Owners ManualBuick Regal: California Fuel Requirements

If the vehicle is certified to meet California Emissions Standards, it is designed to operate on fuels that meet California specifications.

See the underhood emission control label. If this fuel is not available in states adopting California Emissions Standards, the vehicle will operate satisfactorily on fuels meeting federal specifications, but emission control system performance might be affected. The malfunction indicator lamp could turn on and the vehicle might fail a smog-check test.

See Malfunction Indicator Lamp . If this occurs, return to your authorized dealer for diagnosis.

If it is determined that the condition is caused by the type of fuel used, repairs might not be covered by the vehicle warranty.

    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 methylcyclopentadienyl ...

    Fuels in Foreign Countries
    Never use leaded gasoline or any other fuel not recommended in the previous text on fuel. Costly repairs caused by use of improper fuel would not be covered by the vehicle warranty. To check the fuel ...

    See also:

    Lights
    Multifunction Lever The multifunction lever controls the operation of theparking lights, headlights, headlight beam selection,passing light, fog lights, instrument panel light dimmingand turn sig ...

    XMTM satellite radio reception tips for antenna on the windshield (for U.S.A. only — if equipped)
    For some models, the satellite radio antenna is fixed to the upper right hand corner of the windshield. The XMTM satellite radio receiver that is fitted to your vehicle receives the necessary s ...

    Outside Air Intake
    Make sure the air intake, located directly in front of the windshield, is free of obstructions such as leaves. Leaves collected in the air intake may reduce airflow, and if they enter the plenum ...