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:

    Washing
    • Wash your vehicle regularly. Always wash your vehicle in the shade using MOPAR CarWash or equivalent, or a mild car wash soap, and rinse the panels completely with clear water. • If insec ...

    Towing a trailer
    WARNING: Overloading or improper loading of a trailer and its cargo can adversely affect vehicle handling, braking and performance and may lead to accidents. CAUTION: - Do not tow a trailer or ha ...

    Beverage Holders
    Be careful when you are using the beverage holders. A spilled liquid that is very hot can scald you or your passengers. Spilled liquids can damage the upholstery, carpeting, and electrical c ...