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) | 25,000 (40 000) | 50,000 (80 000) | 75,000 (120 000) | 100,000 (160 000) | 125,000 (200 000) | 150,000 (240 000) |
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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 . |
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Change automatic transmission fluid and filter (severe service only). See footnote (h). |
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CTS-V Only: Change 6-speed manual transmission fluid (severe service only). See footnotes (l) and (m). |
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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). |
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CTS-V Only: Change brake fluid (severe service only). See footnote (l). | · | · | · | · | · | · |
Replace spark plugs. An Emission Control Service. |
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Engine cooling system service (or every five years, whichever occurs first).An Emission Control Service. See footnote (i). |
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Inspect engine accessory drive belt. An Emission Control Service. See footnote (p). |
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If using DOT-4 brake fluid, change brake fluid at a regular maintenance service every two years. See footnote (j). |
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