Chevrolet 1995 Lumina Owner's Manual page 209

To Check Engine Oil
Pull out the dipstick and clean it with a paper towel or
cloth, then push it back in all the way. Remove it again,
keeping the tip down, and check the level.
When to Add Oil
If the oil is at or below the upper mark, then you'll need
to add some oil. But you must use the right kind. This
part explains what kind of oil to use. For crankcase
capacity, see "Capacities and Specifications" in the
Index.
NOTICE:
Don't add too much oil. If your engine has
3.4L LQ1 (Code X) Engine
cross-hatched area that shows the proper
so much oil that the oil level gets above the
operating range, your engine could be damaged.
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