GMC 1996 Savana Van Owner's Manual page 11

You can use the center knob to move the seat where you
want it. To raise the seat, move the center knob up. To
lower the seat, move the center knob down. To move the
seat forward, move the center knob toward the front of
the vehicle. To move the seat rearward, move the center
knob toward the rear of the vehicle.
You can raise and lower the front and rear of the seat. To
raise the front of the seat, move the right lever up. To
lower
it,
move the
the seat, move the
left lever down.
right lever down. To raise the rear of
left lever up. To lower
it,
move the
Reclining Seatbacks
To adjust the seatback, lift the front of this lever which
is located at the inner edge of the seat cushion.
Move the seatback with your body and release the lever
to lock the seatback where you want
it.
Lean forward
and pull up on the front of the lever and the seatback
will go to an upright position.
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