1996 Buick Regal Owner's Manual - Page 304

I Short Trip/CityMaintenance Schedule Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. I 66,000 Miles (110 000 km) 0Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Con.tro1Service. 63,000 Miles (105 000 km) 0Lubricate steering ball joints (or every 6 months, whichever occurs first). Cl Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. During tire rotation, check brake calipers for freedom of movement. Refer to the appropriate GM service manual for proper caliper service procedures. DATE ACTUAL MILEAGE SERVICED B Y DATE SERVICED ACTUAL MILEAGE BY 7-18