1997 Buick Riviera Owner's Manual - Page 347

1- TriplHighway Mainte Long - Ice Schedul- 60,000 Miles (100 000 km) (Continued) 67,500 Miles (112 500 km) 0Change engine oil and filter (or every 12 months, whichever occurs first). An Emission Control Service. Lubricate chassis components (or every 12 months, whichever occurs first). (See footnote#.) An Emission ControlService. I7 Rotate tires. See "Tire Inspection and 0Replace air cleaner filter. Rotation" in the Index for proper rotation An Emission ControlService. 0Inspect fuel tank, cap and lines for damage pattern and additional information. (See footnote+.) or leaks. Inspect fuel cap gasket for any damage. Replace parts as needed. An Emission ControlService. (See footnote3f.) DATE ACTUAL MILEAGE SERVICED BY: DATE ACTUAL MILEAGE SERVICED BY: Rotate tires. See "Tire Inspection and Rotation'' in the Index for proper rotation pattern and additional information. (See footnote+.) Inspect engine accessory drive belt. 7-34