Chevrolet 2008 Equinox Owner's Manual page 362

CAUTION:
{
Never use oil or grease on studs or nuts.
Because the nuts might come loose. The
vehicle's wheel could fall off, causing a crash.
14. Reinstall the wheel nuts. Tighten each nut by hand
until the wheel is held against the hub.
5-84
15. Lower the vehicle by turning the jack handle
counterclockwise.