1998 Buick Century Owner's Manual - Page 331

I MaintenanceSchedule I 52,500 Miles (87 500 km) monitor. See 0 Check Oil LifeMonitor. If engine oil and filter are changed, reset "Engine in the Index. An Emission Control Service. (See footnote *.) 0 Rotate tires. See"Tire Inspection and Rotation" in the Index for proper +.) rotation patternand additional information. (See footnote DATE MILEAGE 60,000 Miles (100 000 km) the monitor. See 0 Check Oil LifeMonitor. If engine oil and filter are changed, reset "Engine Oil" in An Emission Control Sewice. (See footnote *.) 0 Replace passenger compartment air filter. proper 0 Rotate tires. See"Tire Inspection and Rotation" in the Index for rotation pattern and additional information. (See footnote +.) 0 Inspect engine accessory drive belt. An Emission Control Service. 0 Replace air cleaner filter. An Emission Control Sewice. Inspect fuel tank, cap lines for damage or and leaks. Inspect fuel cap gasket for any damage. Replace parts as needed. An Emission Control Service. (See footnote?.) DATE MILEAGE 7-9