FORD 2009 F-550 v.3 - Manual (Page 176)

Press front to raise or lower the
front portion of the seat cushion.
Press rear to raise or lower the rear
portion of the seat cushion.
Press the control to move the seat
forward, backward, up or down.
Using the manual lumbar support
The lumbar support control is
located on the outboard side of the
seat
Turn the lumbar support clockwise
for more support.
Turn the lumbar support
counterclockwise for less support.
2009 F-250/350/450/550 (f23)
Owners Guide, 3rd Printing
USA (fus)
Seating and Safety Restraints
176