1997 Buick Riviera Owner's Manual - Page 231

. ~. I Never use oilor grease on studs or nuts. If you do, the nuts might come loose. wheel could Your fall off, causing a serious accident. 1 9. Repiace the wheei nuts with the rounded endof the nuts toward the wheel. Tighten each nut by hand until the wheel is held against the hub. If a nut cannot be tightened by hand, use your the wrench and see dealer right away. 5-30