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

https://www.scribd.com/document/1055251655/Are-You-Responsible-For-A-New-Mobility-Scooters-Budget-12-Ways-To-Spend-Your-Money-223871

Correct posture on a mobility scooter includes feet flat, back supported, and elbows relaxed; change seat height and tiller for ergonomic control.