2004 Buick Rendezvous Owner's Manual - Page 48

Center Rear Passenger Position Lap-Shoulder Belt If your vehicle has a bench seat, someone can sit in the center position. When you sit in the center seating position, you have a lap safety belt, which has no retractor. You also have a shoulder belt, which has a retractor. In order to have the protection of the shoulder belt, you must first connect it to the lap belt. 1. Remove the shoulder belt from its stowage location in the roof and pull it all the way down to the lap belt. 1-42