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:

    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 ...

    Fluid level checks
    NOTICE Check the engine oil weekly. If any significant or sudden drop in oil level is noted, seek qualified assistance. If the message ENGINE OIL PRESSURE LOW is displayed, stop the engine as ...

    Replacing LATCH System Parts After a Crash
    WARNING A crash can damage the LATCH system in the vehicle. ► damaged LATCH system may not properly secure the child restraint, resulting in serious injury or even death in a crash. To help ...