Buick 2003 Century Owner's Manual page 231

I
The engine oil fill cap is
located toward the front of
When to Add Engine Oil
If the oil is at or below the cross-hatched area at the tip
of the dipstick, then you'll need to add at least one
quart of oil. But you must use the right kind. This part
explains what kind of oil to use. For engine oil crankcase
capacity, see Capacities and Specifications on
page 5-94.
Nofice:
Don't add too much oil. If your engine has
so much oil that the oil level gets above the
cross-hatched area that shows the proper operating
range, your engine could be damaged.
L
the engine near the
engine oil dipstick handle.
1
See Engine Compartment
Overview on page 5-12
for more information
on
location.
Be sure to fill it enough 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're
through.
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