1996 Buick Riviera Owner's Manual - Page 321

I Short TriplCity Maintenance Schedule I . I 81,000 Miles (145 000 km) Change. engine oil and .filter (or every 3 months, whichever occurs first). An Emissisn Control Service. 90,000 Miles (150 000 kmj C Change engineoil and filter(or every J 3 ,months, whichever 0ccur.sfirst). An Emission Control Service. 0Lubricate the suspension and steering Shift linkage, parkmg linkage, transaxle brake cableguides and the underbody contact pointsand linkage (or every 6 months,,whichever occurs first). 0Replace ,air cleaner filter. Emission Control An Service. 0Inspect fuel tank, cap lines for damage and I ' DATE I ACTUALMILEAGE ISERVICED BEI Emission Control Service. 3' or leaks. Inspect- cap gasket for fuel any damage. Replace parts as needed.An