GMC 1996 Sierra Owner's Manual page 241

If your vehicle has wheel
nut caps, use the wheel
wrench and ratchet t o
remove them. Turn the
wheel wrench
counterclockwise, with
DOWN fdcing you. to
remove the wheel nut caps.
Then take off the hub cap.
If the wheel also has a trim ring,
LISI:
the wheel wrench
to pry along the edge and remove it.
If the wheel has a smooth center piece or a center piece
with recessed nuts, place the wheel wrench in the slot on
the wheel and gently pry out.
Removing
the Spare
w
Flat Tire and Inst-'
1. Use the ratchet and
wheel wrench to loosen
all the wheel nuts. Turn
the wheel wrench
counterclockwise, with
DOWN fdcing you. to
loosen the wheel nuts.
Don't remove the wheel
nuts
yet.
2. Position the jack under the vehicle.
Getting under a vehicle when it isjacked up is
dangerous. If the vehicle slips off the jack, you
could be badly injured or killed. Never get under
a vehicle
when
it is supported only by a jack.