1996 Buick Regal Owner's Manual - Page 307

I Short TripKity Maintenance Schedule I 84,000 Miles (140 000 km) Change engine oil and filter (or every 3 months, whichever occurs first). AI?Emission Control Service. 81,000 Miles (135 000 km) 0Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. Lubricate steering ball joints (or every 6 months, whichever occurs first). I I I 1 DATE ACTUAL MILEAGE SERVICED B Y DATE ACTUAL MILEAGE SERVICED B Y 7-21