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:

    Smooth cornering
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    Active Bending Lights (ABL)*
    Headlight pattern with the Active Bending Light function deactivated (left) and activated (right) When this function is activated, the headlight beams adjust laterally to help light up a curve ...

    Legacy
    To fold down the seatback, perform the following procedure. 1. Open the trunk lid. Refer to “Opening the trunk lid (Legacy)” F2-9 or “To open the trunk lid from inside” F2-24. 1) Release ...