1997 Buick Riviera Owner's Manual - Page 348

Long Trip/Highway Maintenance Schedule 75,000 Miles (125 000 km) 0Change engine oil and filter (or every 12 months, whichever occurs first). An Emission Control Service. 82,500 Miles (137 500 km) Change engine oil and filter (or every 12 months, whichever occurs first). An Emission Control Service. 0Lubricate chassis components (or every 12 months, whichever occurs first). (See footnote#.) 0Rotate tires.See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote+.) 0Lubricate chassis components (or every 12 months, whichever occurs first). (See footnote#.) 0Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote+.) I I I 1 DATE ACTUAL MILEAGE SERVICED BY: DATE MILEAGE ACTUAL SERVICED BY: