1994 GMC Suburban Owner's Manual - Page 235

.. With the UP marking on the ratchet facing you, rotate the ratchet to the right. " . ,. ,:m j . That will lift the jack head a little. Before raising the vehicle, do the following things. Put your spare tire near the flat tire. Remove the wheel trim. If there is a wheel cover, pry along the edge until it comes off. Be careful; the rim edges may be sharp. Don't try to remove it with your bare hands. 5-31