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:

    Lap Belt
    This part is only for the lap belt. To learn how to wear a lap-shoulder belt, see Lap-Shoulder Belt. You vehicle may have a center seating position. When you sit in the center front seating positi ...

    Rear Underseat Fuse Block
    The rear fuse block is located under the rear seat on the driver side. The rear seat cushion must be removed to access the rear fuse block. Removing the Rear Seat Cushion Notice: If you touch th ...

    Engine Overheating
    The vehicle has several indicators to warn of engine overheating. You will find a warning light about a hot engine as well as an engine coolant temperature gage on the instrument panel cluster. ...