1996 Buick LeSabre Owner's Manual - Page 295

I Short TriplCity Maintenance Schedule 1 18,000 Miles (30 000 km) 0Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. 15,000 Miles (25 000 km) 0Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. * * 0Inspect air cleaner filter if you are driving in dusty conditions. Replace filter if necessary. An Emission Control Service. 0Lubricate the suspension and steering linkage, transaxle shift linkage, parking brake cable guides and underbody contact points and linkage (or every 6 months, whichever occurs first). 0Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. DATE ACTUAL MILEAGE SERVICED B Y DATE ACTUAL MILEAGE 1 SERVICED BY: 7-9