Buick Regal: Gasoline Specifications (U.S. and Canada Only) - Object Detection Systems - Driving and Operating - Buick Regal Owners ManualBuick Regal: 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 methylcyclopentadienyl manganese tricarbonyl (MMT). We recommend against the use of gasolines containing MMT. See Fuel Additives  for additional information.

    Recommended Fuel
    If the vehicle has a 2.4L L4 engine (VIN Code C), use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less than 87, an audible knocking noise, commonly r ...

    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 n ...

    See also:

    Power Steering Fluid
    Check the level on the side of the reservoir when the engine is cold. The fluid should be between the UPPER LEVEL and LOWER LEVEL. If not, add power steering fluid to the UPPER LEVEL. Pou ...

    Displaying satellite radio ID of tuner
    When you activate satellite radio, you should have your satellite radio tuner ID ready because each tuner is identified by its unique satellite radio tuner ID. The satellite radio ID will be needed ...

    Changing the Engine Oil and Filter
    Always change the oil and filter according to the maintenance messages shown on the information display. The oil and filter collect contaminants that can damage your engine if they are not r ...