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:

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

    Anti-theft Alarm System Messages
    THEFT ATTEMPTED This message displays if the vehicle detects a tamper condition. ...

    What to Use
    Use a mixture of one-half clean, drinkable water and one-half DEX-COOL® coolant. If you use this coolant mixture, you do not need to add anything else. CAUTION: Adding only plain water to your ...