Low Oil Level Light
With the oil level
monitoring system the
LOW OIL light will come
on briefly when the ignition
is turned on.
If the light does not come on briefly, have the low oil
level sensor system checked so it will be ready to warn
you if there is a problem.
If the light stays on, stop the vehicle on a level surface
and turn the engine off. Check the oil level using the
engine oil dipstick. See Engine Oil on page 5-16.
The oil level monitoring system only checks the oil level
during the brief period when the key is turned to on
and the engine cranks. It does not monitor the engine
oil level when the engine is running. An oil level check is
only performed if the engine has been turned off for a
considerable period of time, allowing the circulating oil to
drain back into the oil pan.
Change Engine Oil Light
The CHANGE OIL SOON
light should come on
briefly as a bulb check
when the engine is started.
If the light does not
come on, have it serviced.
If the CHANGE OIL SOON light comes on and stays on
after the engine is started, have the oil changed.
For additional information, see “When to Change Engine
Oil (GM Oil Life System)” and “How to Reset the
Change OIL SOON Light” under Engine Oil on
page 5-16.
3-39
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