From the Seats Designer, you can mark a category as being reserved for disabled people. On your floor plan, a wheelchair icon will be shown on each seat that belongs to such a category.
Instead of keeping accessibility as a per-seat setting, we decided to link it to a category. That way, you keep full flexibility to not only display wheelchair icons on the seats, but also give them a different colour and pricing if you wish to do so.
Pretty simple. From within the Designer, determine for each category whether or not it’s an accessibility category, and click the wheelchair icon to make it light up.
Then, assign the proper categories to your seats.
Your floor plan — once saved — will show a wheelchair icon on the seats (and sections!) have been assigned an accessible category.