1995 Buick Regal Owner's Manual - Page 276

I MaintenanceSchedule I I 15,000 Miles (25 000 km) 0Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. 12,000 Miles (20 000 km) 0Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. 0Lubricate the shift linkage, parking brake cable guides, underbody contact points and linkage (or every 6 months, whichever occurs first). 0Inspect air cleaner filter if you are driving in dusty conditions. Replace filter if necessary. An Emission ControlService. i 7-8 ~~ ACTUAL MILEAGE SERVICED BY: DATE MILEAGE ACTUAL SERVICED BY: