Check out this website:
All My Best,
〉 Answered on Jan 31st, 2007 by Amy Mattinat, Owner and Author at Auto Craftsmen Ltd
I have never been asked this before but if I were you I would call a Van Conversion Company (you can find one in the phone book or online). They should have some ideas for you because they usually speicialize in custom fitting or converting vans to fit people with special needs.
〉 Answered on Jan 31st, 2007 by Debbie Lee, President at Professional Car Care