Additional Required Services
The following services should be performed at the first maintenance service after the indicated miles (kilometers)
shown for each item.
Service and Miles (Kilometers)
Inspect fuel system for damage or leaks.
Inspect exhaust system for loose or
damaged components.
Replace engine air cleaner filter.
See Engine Air Cleaner/Filter on
page 5-25. See footnote (n).
Replace passenger compartment air
filter. See footnote (g).
Change automatic transmission fluid and
filter (severe service). See footnote (h).
Change automatic transmission fluid
and filter (normal service).
CTS-V Only: Change 6-speed manual
transmission fluid (severe service only).
See footnote (o).
All-wheel-drive vehicles: Change
transfer case fluid (severe service).
See footnotes (q) and (r).
6-6
Additional Required Services
25,000
50,000
(40 000)
(80 000)
•
•
•
•
•
•
•
•
•
•
75,000
100,000
(120 000)
(160 000)
•
•
•
•
•
•
•
•
•
•
•
125,000
150,000
(200 000)
(240 000)
•
•
•
•
•
•
•
•
•
•