Anyone have any experience or know how I should go about fixing this? It is the 2nd row seat behind the driver seat. 2008 QX56. Originally the red "Press" piece is what broke (cracked as you can see in the pic). And then it just came off. And you could still use the seat belt - it was just hard to engage the mechanism to release the belt. But after a week or so the whole assembly just separated. I think I have all the piece - but the red piece is broken. Is something i have to have the dealership correct?

you can obtain the FSM online and read how to replace.