Universal accessibility
The wheelchair is a bit outdated for accessibility, and it would be better to use the social accessibility, universal icon, as a way of representing accessibility:

Examples: 

https://external-content.duckduckgo.com/iu/?u=https%3A%2F%2Ftse3.mm.bing.net%2Fth%3Fid%3DOIP.faPOKQlwLyouu1uKII6ujAHaHa%26pid%3DApi&f=1

https://www.epicmauirealty.com/wp-content/uploads/2021/01/accessibility-icon-768x768.png

In principle, the icon would be the person icon with 1 circle around it. 

