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Additional Required Services (cont’d)
Service and Miles (Kilometers)
25,000
(40 000)
50,000
(80 000)
75,000
(120 000)
100,000
(160 000)
125,000
(200 000)
150,000
(240 000)
All-wheel-drive vehicles: Change
transfer case fluid (normal service).
See footnote (q).
•
CTS-V Only: Change hydraulic clutch
fluid. See footnote (o).
• •••••
CTS-V Only: Change rear axle fluid
(severe service only). See footnote (o).
•••
CTS-V Only: Change brake fluid
(severe service only). See footnote (o).
• •••••
Replace spark plugs. An Emission
Control Service.
•
Engine cooling system service (or
every five years, whichever occurs first).
An Emission Control Service.
See footnote (i).
•
6.2L Supercharged V8 Engine:
Intercooler system service (or every
five years, whichever occurs first).
See footnote (p).
•
Inspect engine accessory drive belt.
An Emission Control Service.
See footnote (m).
•
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