2013 Hyundai Sonata Owner's Manual - Page 40

Safety features of your vehicle OYF039022N B210A01NF-1 OYF039021N When using the rear center seat belt, the buckle with the "CENTER" mark must be used. To release the seat belt: The seat belt is released by pressing the release button (1) in the locking buckle. When it is released, the belt should automatically draw back into the retractor. If this does not happen, check the belt to be sure it is not twisted, then try again. Stowing the rear seat belt The rear seat belt buckles can be stowed in the pocket between the rear seatback and cushion when not in use. 3 22