Additional Required Services
The following services should be performed at the first maintenance service (I or II) 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 352.
Change automatic transmission fluid
and filter (severe service only).
See footnote (h).
CTS-V Only: Change 6-speed manual
transmission fluid (severe service only).
See footnotes (l) and (m).
CTS-V Only: Change hydraulic clutch
fluid (severe service only).
See footnote (l).
CTS-V Only: Change rear axle fluid
(severe service only).
See footnotes (l) and (m).
466
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)