GMC Envoy Owner's Manual page 421

8. Place the spare on the wheel-mounting surface.
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.
10. Tighten each nut by hand until the wheel is held
against the hub. If a nut can't be turned by hand,
use the wheel wrench and see your dealer as soon
as possible.
5-78
9. Put the nuts on by
hand. Make sure the
rounded end is
toward the wheel.
11. Lower the vehicle by turning the jack handle
counterclockwise. Lower the jack completely.