1996 Buick Park Avenue Owner's Manual - Page 341

> Short Trip/City Maintenance Schedule 90,000 Miles (150 000 km) El Change engineoil and filter (or every 3 months, whichever occurs first). An Emission Control Service. 0For supercharged engines only: Check the supercharger oil level and add oil as needed (or every 36 months, whichever occurs first). See "Recommended Fluids and Lubricants'' inthis section. An Emission Control Service. * Lubricate the suspension, steering linkage, transaxle shift linkage, parking brake cable guides and the underbody contact points and linkage (or every 6 months, whichever occurs first). 0Replace air cleaner filter. An Emission Control Service. 3- 17 Rotate tires. See "Tire Inspection and Rotation'' in the Index for proper rotation pattern and additional information. During tire rotation, check brake calipers for freedom of movement. Refer to the appropriate GM service manual for proper caliper service procedures. Inspect fuel tank, cap lines for damage and or leaks. Inspect fuel cap gasket for any damage. Replace parts as needed. An Emission Control Service. ?