Control or Indicator
Lumbar Adjustment Knob
Controls lumbar support in seat. Rotate knob forward to
increase and rearward to decrease lumbar support.
Seat Back Adjustment
Adjusts seat back angle. Apply or remove pressure from
seat back and hold lever rearward to adjust.
Seat Height Adjustment
Control Valve Lever
Vehicle air pressure must be above 60 psi (414 kPa) to
operate lever. Push lever up to raise seat and down to
Seat Cushion Tilt
Rotate knob to increase or decrease seat tilt.
Fore and Aft Seat
Three-position lever moves seat forward or backward.
Right position locks seat in place. Moving lever all the
way left adjusts seat. Traveling position is center position
which provides a shock-absorbing effect.