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:

    Tire pressure label
    The recommended tire pressures are listed on a label located in the driver’s door opening. These pressures provide optimum ride and handling characteristics for all normal operating conditions ...

    Changing gear
    The automatic transmission shifts to the individual gears automatically when it is in transmission position D. This automatic gearshifting behavior is determined by: • a shift range restrictio ...

    Speedometer and odometer
    Speedometer Speedometer The speedometer indicates vehicle speed in miles per hour (MPH) and kilometers per hour (km/h). Odometer/twin trip odometer Odometer/twin trip odometer The o ...