Buick LaCrosse: California Fuel Requirements - Fuel - Driving and Operating - Buick LaCrosse Owners ManualBuick LaCrosse: 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 methylcyclopen ...

    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 chec ...

    See also:

    Towing Equipment and Accessories
    Towing can require a variety of equipment, depending on the size of your trailer, how it will be used, how much load you are towing, and where you tow. Discuss your needs with your trailer ...

    Engine oil and oil filter recommendations
    Selecting the correct oil It is essential to choose the correct grade, quality and viscosity engine oil to ensure satisfactory engine life and performance. See Capacities and recommended fuel/l ...

    Headlamp cleaning system
    The headlamps are cleaned automatically if the "Wipe with washer fluid" function is operated ten times while the lights are on and the engine is running ...