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:

    Traction Control System (TCS)
    The vehicle may have a traction control system that limits wheel spin. The system turns on automatically every time the vehicle is started. ► To turn off traction control, press and release the ...

    Clearing the System
    Unless information is deleted out of the in-vehicle Bluetooth system, it will be retained indefinitely. This includes all saved name tags in the phone book and phone pairing information. For infor ...

    ENGINE OIL HOT, IDLE ENGINE
    This message displays when the engine oil temperature is too hot. Stop and allow the vehicle to idle until it cools down. ...