2004 Subaru Impreza Owner's Manual - Page 47

Seat, seatbelt and SRS airbags " Adjusting the rear seat shoulder belt anchor height (window-side seating positions only) When wearing the seatbelts, make sure the shoulder portion of the webbing does not pass over your neck. If it does, adjust the seatbelt anchor to a lower position. Placing the shoulder belt over the neck may result in neck injury during sudden braking or in a collision. " Unfastening the seatbelt UG1075BA The shoulder belt anchor height should be adjusted to the position best suited for you. To adjust the anchor height, push the release button and slide the anchor up or down. Pull down on the anchor to make sure that it is locked in place. Always adjust the anchor height so that the shoulder belt passes over the middle of the shoulder without touching the neck. Push the button on the buckle. Before closing the door, make sure that the belts are 1-20 HS1053BA