Buick 2014 LaCrosse Owner's Manual page 13

Press and hold the top or bottom of
the switch to raise or lower the seat.
Release the switch when the
desired height is reached.
See
To adjust the seat:
Move the seat forward or
rearward by moving the control
forward or rearward.
.
Raise or lower the front part of
the seat cushion by moving the
front of the control up or down.
Raise or lower the entire seat by
moving the rear of the control up
or down.
See
.
To adjust the lumbar support:
Press and hold the front or rear
of the control to increase or
decrease lumbar support.
If equipped, press and hold the
top or bottom of the control to
raise or lower lumbar support.
See
.