1996 Buick Century Owner's Manual - Page 294

I Short Trip/City Maintenance Schedule I 99,000 Miles (165 000 km) 0Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. 96,000 Miles (160 000 km) 0Change engine oil and filter (or every 3 months, whichever occurs first). 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). I DATE MILEAGE ACTUAL SERVICED BY DATE ACTUAL MILEAGE SERVICED B Y