1996 Buick Roadmaster Owner's Manual - Page 297

I Short Trip/City Maintenance Schedule I 27,000 Miles (45 000 km) Change engineoil and filter (or every 3 months, whichever occurs first). An Emission Control Service. 24,000 Miles (40 000 k t ) 0Change engineoil and filter (or every 3 months, whichever occurs first). An Emission Control Service. * * 0Lubricate thesuspension, steering linkage, parking brake guides, underbody contact points and linkage(or every 6 months, whichever occurs first). 17 Change therear axle gear lubricant if vehicle is used to pull a trailer. DATE ACTUAL MILEAGE SERVICED BY: DATE SERVICED ACTUAL MILEAGE BY: 7-11