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:

    Selecting a Menu Option
    1. Turn the Menu knob to move the highlighted bar. 2. Press SELECT to select the highlighted option. ...

    Canadian Owners Propriétaires Canadiens
    A French language copy of this manual can be obtained from your dealer/retailer or from: On peut obtenir un exemplaire de ce guide en français auprès du concessionnaire ou à ...

    California Fuel Requirements
    If the vehicle is certified to meet California Emissions Standards, it is designed to operate on fuels that meet California specifications. See the underhood emission control label. If this ...