Scheduled Maintenance
The services shown in this schedule up to
100,000
miles
(1
66
000
km) should be repeated after
100,000
miles
(1
66
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-
10
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 SystemTM (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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