2013 Lincoln MKZ - Seat stuck

rear 2\3 seat locked in down position due to seat belt not functioning, Rewind stuck , are there any parts to fix this?

HOW TO: How to Fix Stuck Rear Seat/Stuck Seatbelt on Lincoln MKZ. Tip of the Day! 002 - YouTube

you can probably get the torx head bolt from the trunk area behind the seat