1996 Buick Roadmaster Owner's Manual - Page 296

I Short WiplCity Maintenance Schedule I 21,000 Miles (35 000 km) An Emission Control Service. * 18,000 Miles (30 000 km) 0Change engine oil and filter (or An Emission Control Service. every 3 months, whichever occursfirst). * Change engine oil and filter (or every 3 months, whichever occurs first). 0Lubricate the suspension, steering linkage, parking brake guides, underbody contact points and linkage (or every6 months, whichever . occurs first) Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. During rotation, tire check brake calipers freedom of movement for and lubricateif required. [7 Change the rear axle gear lubricant vehicle is if used to pull a trailer. ~ DATE ACTUAL MILEAGE SERVICED BY: I