1998 Buick Regal Owner's Manual - Page 346

I MaintenanceSchedule 1 90,000 Miles (150 000 km) (Continued) 0 Replace passenger compartment air filter. 0 Replace air cleaner filter. An Emission Control Service. 0 Inspect fueltank, cap and lines for damage or leaks. Inspect fuel capgasket for any damage. Replaceparts as needed. An Emission Control Service. (See footnote?.) 0 For supercharged engines only: Check the supercharger oillevel and add oil as needed (or every 36 months, whichever occurs first). See "Recommended Fluids and Lubricants" in this section. 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+.) 97,500 Miles (162 500 km) 0 Check Oil Life Monitor. If engine oil and filter are changed, reset monitor. See "Engine Oil" in the Index. An Emission Control Service. (See footnote *.) 17 Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote+.) DATE I MILEAGE 7-12