If the unit fails for any reason, the column will feel like it did originally. Attached is the complete Prius system from a pic on Ebay. I have a link for a site but I don't know if it is permissible to attach it here, (It's a Ford site)
Attachments
Prius complete unit.jpg (46.31 KB, 73 downloads)
Steering column outside view.jpg (160.31 KB, 73 downloads)