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:

    Safety
    Since our previous review, the LaCrosse has been crash-tested by the Insurance Institute for Highway Safety, and it performed very well. It's a Top Safety Pick because it scored Good, the top rati ...

    Securing a Child Restraint Designed for the LATCH System
    WARNING If a LATCH-type child restraint is not attached to anchors, the child restraint will not be able to protect the child correctly. In a crash, the child could be seriously injured or killed. ...

    Easy Exit Seat
    Press the customization button until EASY EXIT SEAT: OFF appears in the display. To select your preference for seat position exit, press the select button while EASY EXIT SEAT: OFF is displayed on ...