1998 Oldsmobile Aurora Owner's Manual - Page 335

I MaintenanceSchedule - I In hilly or mountainous terrain. - When doing frequent trailer towing. - Uses such as foundin taxi, police or delivery service. I f you do not use your vehicle under any o these conditions, the fluid and f filter do not require changing. 52,500 Miles (87 500 km) ! Check Oil LifeMonitor. If engine oil and filter are changed,reset monitor. J See "Engine Oil" in the Index. An Emission Control Service. (See footnote *.) [7 Lubricate chassis components (or each engine oiland filter change). at (See footnoteAt.) 0 Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) DATE 60,000 Miles (100 000 km) 0 Check Oil LifeMonitor. If engine oil and filter are changed,reset monitor. See "Engine Oil" in the Index. An Emission Control Service. (See footnote 'k.) Lubricate chassis components (orat each engine oil and filter change). (See footnote#.) DATE (Continued) 7-9