1996 Buick Regal Owner's Manual - Page 312

I Long Trip/HighwayMaintenanceSchedule I 12 months, whichever occurs first). 7,500 Miles (12 500 km) The services shown in this schedule up to 100,000 miles (166 000 km) should be performed after 100,000 miles (166 000 km) at the same intervals. 0Change engine oil and filter (or every A n Emission Control Service. Footnotes rf' The U S . Environmental Protection Agency or the California Air Resources Board has determined that the failure to perform this maintenance item will not nullify the emission warranty or limit recall liability prior to the completion of the vehicle's useful life. We, however, urge that all recommended maintenance services be performed at the indicated intervals and the maintenance be recorded. 0Lubricate steering ball joints (or every 6 months, whichever occurs first). 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. 7-26