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)
CTS-V Only: Change brake fluid
(severe service only). See footnote (l).
• •••••
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).
•
Inspect engine accessory drive belt.
An Emission Control Service.
See footnote (p).
•
If using DOT-4 brake fluid, change
brake fluid at a regular maintenance
service every two years.
See footnote (j).
Maintenance Footnotes
(a) Visually inspect brake lines and hoses for
proper hook-up, binding, leaks, cracks, chafing,
etc. Inspect disc brake pads for wear and rotors
for surface condition. Inspect other brake
parts, including calipers, parking brake, etc.
(b) Visually inspect front and rear suspension and
steering system for damaged, loose, or missing
parts or signs of wear. Inspect power steering lines
and hoses for proper hook-up, binding, leaks,
cracks, chafing, etc.
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