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:

    Front Storage Area
    To access the front storage area, push down and then release. Push up and forward to remove. ...

    Disarming the System
    To disarm the system, do one of the following: Press on the RKE transmitter. Approach the vehicle with the RKE transmitter (keyless access). Start the engine. The alarm automatically disar ...

    Folding Mirrors
    Manual Foldaway Mirrors These mirrors can be folded inward to prevent damage when going through an automatic car wash. To fold, pull the mirror toward the vehicle. Push the mirror outward to ...