1996 Buick Riviera Owner's Manual - Page 320

1 Short Tri.p/City 11Maintenance Schedule 0Change engineoil and filter (or every 3 months, whichever occurs first). An Emissiun Control Service. I 84,000 Miles (140 000 km) Change engine- oil filter (or every and 3 months, whichever occurs first). An Emission Control Service. 81,000 Miles.(135 000 km) Lubricate the suspension and steering linkage, transaxleshiftlinkage, parking brake cable guides and the underbody contact points and linkage (or every 6 months, wbicheves occurs first). DATE ACTUAL MILEAGE- SERVICED B Y I 7-21