Scheduled Maintenance
The services shown in this schedule up
to
100,000
miles
(166
000
km) should be repeated after
100,000
miles
(166
000
km) at the same intervals for the life of
this vehicle. The services shown at 150,000 miles
(240 000
km) should be repeated at the same interval
after
150,000
miles
(240
000
km) for the life of this
vehicle.
See Part B: Owner Checks and Services on page
6-
IO
and Part C: Periodic Maintenance Inspections on
page
6-
14.
Footnotes
t
The
U.S.
Environmental Protection Agency or the
California Air Resources Board has determined that the
failure to perform this maintenance item will not nullify
the emission warranty or limit recall liability prior to
the completion of the vehicle
's
useful life. We, however,
urge that all recommended maintenance services be
performed at the indicated intervals and the
maintenance be recorded.
+
A
good time to check your brakes is during tire
rotation. See Brake System Inspection on page
6-
15.
Engine
Oil
and Chassis Lubrication
Scheduled Maintenance
Change engine
oil
and filter as indicated by the
GM
Oil Life System (or every
12
months, whichever
occurs first). Reset the system.
Your vehicle has a computer system that lets you know
when
to
change the engine oil and filter. This is based on
engine revolutions and engine temperature, and not on
mileage. Based on driving conditions, the mileage at
which an oil change will be indicated can vary
considerably.
For
the oil life system
to
work properly, you
must reset the system every time the oil is changed.
When the system has calculated that oil life has been
diminished, it will indicate that an oil change is
necessary. A CHANGE ENGINE OIL message will
come on. Change your oil as soon as possible within
the next two times you
stop
for fuel.
It
is possible that,
if
you are driving under the best conditions, the oil life
system may not indicate that an
oil
change is necessary
for over a year. However, your engine oil and filter
must be changed at least once a year and at this time
the system must be reset.
It
is also important
to
check your oil regularly and keep it at the proper level.
6-5
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