2007 Chevrolet Silverado 2500 Pickup Owner's Manual - Page 71

If the position you are using has an adjustable head restraint and you are using a dual tether, route the tether around the head restraint. 1.4. Remove the trim cover to expose the top tether anchor. 1.5. Attach the top tether attachment to the top tether anchor. {CAUTION: If the seatback is not locked, it could move forward in a sudden stop or crash. That could cause injury to the person sitting there. Always push and pull on the seatback to be sure it is locked. 1.6. Lift the seatback up and push it rearward. Then lower the seat cushion until the seatback and the seat cushion lock into position. If the position you are using has an adjustable head restraint and you are using a single tether, raise the head restraint and route the tether under the head restraint and in between the head restraint posts. 71