1997 Buick Regal Owner's Manual - Page 361

I Short TripKity Maintenance Schedule 1 63,000 Miles (105 000 km) 0Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. (See footnote *.) 0For supercharged engines only: Check the supercharger oil level 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?.) 0Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) I I DATE ACTUAL MILEAGE I l SERVICED B Y I DATE ACTUAL MILEAGE 7-19