ingenuity 3Dlite ST Manuel D'instructions page 6

adjusting the shoulder harness position:
remove harness pads, unlock restraint, slide shoulder harness out of slot,
and adjust harness position as shown below and reinstall harness pads.
6
reclining the seat:
push seat forward
1
to raise seat upright
2
to lower backrest
press lever, lower
backrest to desired
position and lock
in place