1999 Oldsmobile Intrigue Owner's Manual - Page 299

I MaintenanceSchedule I DATE 30,000 Miles (50 000 km) reset monitor. 0 Check Oil LifeMonitor. If engine oiland filter are changed, See "Engine Oil" in the Index. An Emission Control Service. (See footnote *.) 0 Replace passenger compartment air filter. (If Equipped) 0 Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) 0 Replace air cleanerfilter. An Emission Control Service. 0 Inspect fueltank, cap and lines for damage or leaks.Inspect fuel cap gasket for any damage. Replace parts as needed. An Emission Control Service. (See footnote"f) 37,500 Miles (62 500 km) reset monitor. 0 Check Oil LifeMonitor. If engine oil and filter are changed, See "Engine Oil" in the Index. An Emission Control Service. (See footnote *.) 0 Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) DATE I 7-7