1996 Buick LeSabre Owner's Manual - Page 296

-&City Maintenance Schedule 21,000 Miles (35 000 km) 0Change engine oil and filter (or every An Emission Control Service. * I 24,000 Miles (40 000 km) I7 Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Con.tro1Service. I 3 months, whichever occurs first). * 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). ~~~ DATE ACTUAL MILEAGE SERVICED BY 7-10