5. Back Height Adjustment
Use this
(to raise or lower back)
Use the sides of the back just above the seat and grab with
both hands
To raise lift the back up and towards you – you will hear a click for
each different height
To lower lift the back to the highest setting and it will disengage
allowing it to drop down to the starting (lowest) height; the
back must return to the starting position to reengage the height
adjustment mechanism