1997 GMC Safari Owner's Manual - Page 16

To raise or lower the center console, press the button between the beverage holders. Only sit in the center seating position when the console is in an upright position. To adjust your seatback, pull up on the lever on the lower outside of the seat. The center bench seatbacks will recline further back than the rear bench seatbacks. For details about headrests, see "Head Restraints" in this section. 1-8