1996 Buick Century Owner's Manual - Page 284

I Short Tripkity Maintenance Schedule I 48,000 Miles (80 000 km) I3 Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. 45,000 Miles (75000 km) I3 Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. Inspect air cleaner filter if you are driving in dusty cqnditions. Replace filter if necessary. An Emission Control Service. 0Lubricate the parking brake cable guides, underbody contact points and linkage. If equipped with grease fittings, 'lubricate the suspension and steering linkage (or every 6 months, whichever occurs first). 1 DATE I ACTUAL MJLEAGE !SERVICED BXI DATE MILEAGE ACTUAL SERVICED BY: 7-14