Abstract: The present invention is a restraining system for securing a detainee in a seat of a vehicle including a restraining belt extending from an anchoring point in the middle region of the seat to a stowing point outboard of the anchoring point and a latching mechanism adjacent to a side region of the seat. The system is in non-securing operation when the belt extends to the stowing point and in securing operation when the belt is removed from the stowing point and connected to the latching mechanism such that the belt traverses the detainee's torso.