2009 Cadillac STS-V Owner's Manual - Page 469

Additional Required Services (cont'd) Service and Miles (Kilometers) All-wheel-drive vehicles: Change transfer case fluid (normal service). See footnote (q). Replace spark plugs. An Emission Control Service. Engine cooling system service (or every five years, whichever occurs first). An Emission Control Service. See footnote (j). 4.4L Supercharged Engine: Intercooler system service (or every five years, whichever occurs first). See footnote (l). Inspect engine accessory drive belt. An Emission Control Service. See footnote (n). If using DOT-4 brake fluid, change brake fluid at a regular maintenance service every two years. See footnote (i). 25,000 (40 000) 50,000 (80 000) 75,000 (120 000) 100,000 (160 000 125,000 (200 000) 150,000 (240 000) • • 6-7