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 EmissionControl Service. •Engine cooling system service (or everyfive 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, changebrake fluid at a regular maintenanceservice every two years.See footnote (j).Maintenance Footnotes(a) Visually inspect brake lines and hoses forproper hook-up, binding, leaks, cracks, chafing,etc. Inspect disc brake pads for wear and rotorsfor surface condition. Inspect other brakeparts, including calipers, parking brake, etc.(b) Visually inspect front and rear suspension andsteering system for damaged, loose, or missingparts or signs of wear. Inspect power steering linesand hoses for proper hook-up, binding, leaks,cracks, chafing, etc.467
