GMC 1995 Safari Owner's Manual page 199

To remove the hub
cap from the
aluminum wheel, fit
the flat end of the
extension into the
notch.
I Remove the center
cap.
With DOWN facing
you, use the ratchet
and socket to loosen
all the wheel nuts.
Don't remove them
yet.
Do not jack up the vehicle with people in or near the vehicle.
Position jack under the vehicle.
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