Engine Oil Additives

Do not add anything to the oil. The recommended oils with the starburst symbol that meet GM Standard GM6094M are all you will need for good performance and engine protection.

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    Brake Assist
    This vehicle has a brake assist feature designed to assist the driver in stopping or decreasing vehicle speed in emergency driving conditions. This feature uses the stability system hydraulic brak ...

    When to Add Engine Oil
    If the oil is below the L mark for the L6 engine or the cross-hatched area at the tip of the dipstick for the V8 engine, you will need to add at least one quart/liter of oil. But you must use the ...

    On the Road
    The LaCrosse moves out when pushed, but its capabilities stop short of an all-out sport sedan's — fine by me, seeing as no one ever wanted Buick to build the next BMW. The LaCrosse CXS, which pa ...