VEHICLE SEAT AND SEATBELT ASSEMBLY

A seat assembly includes a seatback having a top end. The seat assembly includes an arm supported by the seatback, and movable from a stowed position to a deployed position. The seat assembly includes a first webbing guide supported by the seatback at the top end. The seat assembly includes a second webbing guide fixed to and movable with the arm, the second webbing guide at the top end of the seatback with the arm at the stowed position, and the second webbing guide spaced from the seatback in a seat-forward direction with the arm at the deployed position. The seat assembly includes a retractor supported by the seatback at the top end. The seat assembly includes a webbing extending from the retractor through the first webbing guide and the second webbing guide.