2006 Buick Rainier Owner's Manual - Page 428

Additional Required Services The following services should be performed at the first maintenance service (I or II) after the indicated miles (kilometers) shown for each item. Additional Required Services Service and Miles (Kilometers) 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 on page 5-20. Change automatic transmission fluid and filter (severe service). See footnotes (g) and (h). Change automatic transmission fluid and filter (normal service). See footnote (g). Automatic transfer case only: Change transfer case fluid. See footnote (g). Replace spark plugs. An Emission Control Service. • 25,000 (41 500) • • 50,000 (83 000 75,000 (125 000) • • 100,000 (166 000 125,000 (207 500) • • 150,000 (240 000 6-6