When To Add Engine Oil - Buick lucerne 2009 Owner's Manual

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When to Add Engine Oil

3.9L V6 Engine

4.6L V8 Engine

If the oil is below the cross-hatched area at the tip of the

dipstick, add at least one quart/liter of the recommended

oil. This section explains what kind of oil to use. For

engine oil crankcase capacity, see Capacities and

Speciﬁcations on page 5-109.

Notice: Do not add too much oil. If the engine

has so much oil that the oil level gets above the

cross-hatched area that shows the proper operating

range, the engine could be damaged.

Add enough oil to put the level somewhere in the proper

operating range in the cross-hatched area. Push the

dipstick all the way back in when you are through.

See Engine Compartment

Overview on page 5-14 for

the location of the

engine oil ﬁll cap.

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