1996 Buick Roadmaster Owner's Manual - Page 299

I Short Trip/City Maintenance Schedule I 36,000 Miles (60 000 km) 0Change engineoil and filter (or every 3 months, whichever occurs first). An Emission Control Service. 33,000 Miles (55000 km) 0Change engineoil and filter (or every 3 months, whichever occurs first). An Emission Control Service. * * 0Lubricate the suspension, steering linkage, parking brake guides, underbody contact points and linkage (or every 6 months, whichever occurs first). 0Change the rear axle gear lubricant if vehicle is used to pull a trailer. DATE ACTUAL MILEAGE SERVICED BY: DATE ACTUAL MILEAGE SERVICED BY: 7-13