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:

    Convenience Net
    For vehicles with a convenience net in the rear, use it to store small loads as far forward as possible. The net should not be used to store heavy loads. ...

    Cleaning the Video Screens
    The video display screens are made of a specially coated glass and can be scratched or damaged by abrasive products, solvents, or ammonia-based window cleaners. Clean with a soft, lint-free, cotton ...

    Front
    The front seats can be warmed by built-in heaters. The switches located on the instrument panel can be operated independently of each other. 1. Start the engine. 2. Select heat range. &# ...