1997 Buick Century Owner's Manual - Page 45

4. Buckle, position and release the safety belt as described in "Rear Seat OutsidePassenger Positions" earlier in this section. Make sure that the shoulder belt crosses the shoulder. To remove and store thecomfort guides, squeeze so the belt edges together that you can take them out from the guides. Pull guide upward to expose its the storage clip,and then slide the guide onto the clip. Rotate the guide and clip inward and in between the seatback and the interior body, leaving only the loop of elastic cord exposed. 1-31