1998 Buick Century Owner's Manual - Page 35

Buckle, position and release it the same way as the lap part of a lap-shoulder belt. If the belt isn't long enough, see "Safety Belt Extender" at the end of this section. Make sure the release button on the buckle is positioned so you would be able to unbuckle the safety belt quickly if you ever had to. Rear Seat Passengers It's very important for rear seat passengers to buckle up! Accident statistics show that unbelted people in the rear seat are hurt more often in crashes than those who are wearing safety belts. I To make the belt shorter, pull its freeend as shown until the belt is snug. Rear passengers who aren't safety belted can be thrown out of the vehiclein a crash. And they can strike others in the vehicle who are wearing safety belts.