Chevrolet 1998 Lumina Owner's Manual page 14

FRONT (A): Raise the front of the seat by holding the
switch
up. Hold
the switch down to lower the front
of
the seat.
CENTER
(B):
Move the seat forward or backward by
holding the control to the front or to the back. Raise or
lower the seat by holding the control up or down.
REAR (C): Raise the rear of the seat by holding the
switch up. Hold the switch down to lower the rear
of
the seat.
Lift the lever to release the seatback, then move
the
seatback to where you want it. Release the lever to
lock the seatback into place. Pull up on the lever
without pushing on the seatback, and the seatback
will move forward.
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