An interior arrangement for a vehicle including a front passenger seat having a head restraint, a rear seat, seat occupant sensors fitted to the seats, a head restraint position sensor, a motor for moving the head restraint between its functional position and its lowered position, and a central controller operatively associated with the sensors and the motor. The front passenger head restraint is moved up to its functional position from a stowed position each time a front seat passenger presence is detected according to one embodiment. According to another embodiment the front passenger head restraint is moved from a functional or upright position to a stowed or hidden position if the front seat is unoccupied and the rear seat is occupied.