Proper posture on a mobility scooter includes feet flat, back supported

https://fernandowkoh241.timeforchangecounselling.com/the-mobility-scooter-uk-awards-the-best-worst-and-most-bizarre-things-we-ve-seen

Correct posture on a mobility scooter consists of feet flat, back supported, and elbows unwinded; adjust seat height and tiller for ergonomic control.