Oldsmobile Silhouette Owner's Manual page 296

CAUTION:
Never use oil or grease on studs or nuts. If you
do, the nuts might come loose. Your wheel could
fall off, causing a serious accident.
8. Install the spare tire and replace the wheel nuts with
the rounded end of the nuts toward the wheel.
Tighten each nut by hand until the wheel is held
against the hub.
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9. Lower the vehicle by attaching the folding wheel
wrench to the jack and turning the wrench
counterclockwise. Lower the jack completely.
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