Buick 1993 LeSabre Owner's Manual page 115

2.
If you're "idling"
at
a stop sign, the light may blink
3.
If you make a hard stop, the light may come
on
for
a
on and then off.
moment.
But, when this light comes
on
and stays on, it means
oil isn't going through your engine properly. You could
be low on oil, or you might have some other oil
problem.
I
A
CAUTION:
Don't keep driving if the 001 pressure i s low. If
you do, your engine can become so hot that it
catches fire. You or others could be burned.
Check your oil as soon as possible and have
your vehicle serviced.
I
I
problems
your warranty.
I
''Check Oil Level" Light (Option)
CHECK
OIL LEVEL.,
The "Check Oil Level"
light is lit for three seconds
as a bulb check each time
the ignition key is turned to
the
RUN
position.
If the light doesn't come on, have your vehicle serviced.
If the engine oil is more than one quart low, the light
will come on briefly, then go off for 15
-
25
seconds,
and then come back on for 20
-
40 seconds.
However, if it has not been more than eight minutes
since the engine was shut off, the system will not
register a low engine oil condition.
If the "Check Oil Level" light comes back on, the
engine oil should be checked at the dipstick and then
brought up to the proper level if necessary. See
"Engine Oil" in the Index.