GMC Acadia 15919282 Owner's Manual page 384

6-4 Maintenance Schedule
Maintenance I — Use
Maintenance I if the CHANGE
ENGINE OIL SOON message
displays within 10 months since
the vehicle was purchased or
Maintenance II was performed.
Change engine oil and filter. See Engine Oil on page 5-13. Reset oil life
system. See Engine Oil Life System on page 5-15. An Emission Control
Service.
Visually check for any leaks or damage. See footnote (g).
Inspect engine air cleaner filter. If necessary, replace filter. See Engine Air
Cleaner/Filter on page 5-17. See footnote (l).
Rotate tires and check inflation pressures and wear. See Tire Inspection and
Rotation on page 5-50 and "Tire Wear Inspection" in At Least Once a Month
on page 6-9.
Maintenance II — Use
Maintenance II if the previous
service performed was
Maintenance I. Always use
Maintenance II whenever the
Scheduled Maintenance
Service
message displays 10 months or
more since the last service or if the
message has not come on at all
for one year.
Maintenance I Maintenance II
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