Buick Enclave: California Fuel Requirements - Fuel - Driving and Operating - Buick Enclave Owner's ManualBuick Enclave: 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 methylcyclopentadie ...

    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 ...

    See also:

    Jump Starting
    For more information about the vehicle battery, see Battery  . If the vehicle is a hybrid, see the hybrid supplement for more information. If the vehicle's battery has run down, you may wan ...

    Automatic climate control
    Automatic operation Cooling and/or dehumidified heating (AUTO): This mode may be used all year round. The system works automatically to control the inside temperature, air flow distribution ...

    Turn signals
    1 High-beam headlamps 2 Right turn signal 3 High-beam flasher 4 Left turn signal ► To indicate briefly: press the combination switch briefly to the pressure point in the direction of a ...