Buick Regal: Engine Oil Additives/Engine Oil Flushes - Engine Oil - Vehicle Checks - Vehicle Care - Buick Regal Owners ManualBuick Regal: Engine Oil Additives/Engine Oil Flushes

Do not add anything to the oil. The recommended oils with the dexos specification and displaying the dexos certification mark are all that is needed for good performance and engine protection.

Engine oil system flushes are not recommended and could cause engine damage not covered by the vehicle warranty.

    Selecting the Right Engine Oil
    Selecting the right engine oil depends on both the proper oil specification and viscosity grade: Specification (Except 2.0L Turbo Engine) Use and ask for engine oils with the dexos™ certification ...

    What to Do with Used Oil
    Used engine oil contains certain elements that can be unhealthy for your skin and could even cause cancer. Do not let used oil stay on your skin for very long. Clean your skin and nails with soap and ...

    See also:

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    All seating positions in your vehicle are equipped with lap/shoulder belts. The belt webbing retractor will lock only during very sudden stops or accidents. This feature allows the shoulder par ...

    Electric power steering (EPS)
    The power steering uses a motor to assist you in steering the vehicle. If the engine is off or if the power steering system becomes inoperative, the vehicle may still be steered, but it will requi ...