Change Engine Oil Light
This light is displayed
when the engine oil needs
to be changed.
Once the engine oil has been changed, the light must
be reset. Until it is reset, the light will be displayed when
the engine is on. For more information on resetting
the system, see “When to Change Engine Oil (GM Oil
Life System)” under Engine Oil on page 5-13. See
also Scheduled Maintenance on page 6-4.
This light will come on
brieﬂy when you turn the
key to START. The
light will stay on until the
If the light ﬂashes, the Passlock
system has entered a
tamper mode. If the vehicle fails to start, see Passlock
on page 2-13.
If the light comes on continuously while driving and
stays on, there may be a problem with the Passlock
system. Your vehicle will not be protected by Passlock
and you should see your dealer.
Also, see Content Theft-Deterrent on page 2-11 for
additional information regarding the security light.