FORD 2011 F-550 v.3 - Manual (Page 157)

Power recline (if equipped)
Press the control to recline the
seatback forward or rearward.
Using the power lumbar support (if equipped)
The power lumbar control is located on the outboard side of the seat.
Press one side of the control to
adjust firmness.
Press the other side of the control
to adjust softness.
Using the manual lumbar support (if equipped)
The lumbar support control is
located on the outboard side of the
seat
Turn the lumbar support forward
toward the front of the vehicle for
more support.
Turn the lumbar support backward
toward the rear of the vehicle for
less support.
Seating and Safety Restraints
157
2011 F-250/350/450/550 (f23)
Owners Guide, 3rd Printing
USA (fus)