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:

    Braking in Emergencies
    ABS allows the driver to steer and brake at the same time. In many emergencies, steering can help more than even the very best braking. ...

    Larger children
    Children who are too large for child restraints should be seated and restrained by the seat belts which are provided. The seat belt may not fit properly if the child is less than 4 ft 9 in (142.5 ...

    Selecting the correct oil
    It is essential to choose the correct grade, quality and viscosity engine oil to ensure satisfactory engine life and performance. See “Capacities and recommended fuel/lubricants” earlier in thi ...