1996 Buick Century Owner's Manual - Page 28

To unbuckle the automatic belt, just push the button on the buckle. 3. Pick up the latch plate and pull the belt across you. Don't let it get twisted. 4. Push the latch plate into the buckle until it clicks. Pull up on the latch plate to make sure it is secure. To reattach the automatic belt: 1. Close and lock the door. 2 . Adjust the seat (to see how, see "Seats" in the Index) so you can sit up straight.