Engine Oil Additives/Engine Oil Flushes

Buick Regal / Buick Regal Owners Manual / Vehicle Care / Vehicle Checks / Engine Oil / 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.

    See also:

    Battery
    Refer to the replacement number shown on the original battery label when a new battery is needed. See Engine Compartment Overview  for battery location. DANGER Battery posts, terminals, and r ...

    Services for People with Disabilities
    Advisors provide services to help subscribers with physical disabilities and medical conditions. Push for help with: • Locating a gas station with an attendant to pump gas. • Finding a h ...

    Average Fuel Economy/Instantaneous Fuel Economy
    On some models, this display shows Average Fuel Economy. On other models, this display shows both Average Fuel Economy and Instantaneous Fuel Economy. The Average Fuel Economy display shows ...