2004 Buick Park Avenue Owner's Manual - Page 348

Removing the Rear Seat Cushion Notice: If, when removing or reinstalling the rear seat, you do not do it carefully, you could damage the fuse center. Avoid contact between the rear seat and the fuse center whenever you remove or reinstall the rear seat. To remove the rear seat cushion, do the following: 1. Pull up on the front of the cushion to release the front hooks. 2. Pull the cushion up and out toward the front of the vehicle. To reinstall the rear seat cushion, do the following: {CAUTION: A safety belt that isn't properly routed through the seat cushion or is twisted won't provide the protection needed in a crash. If the safety belt hasn't been routed through the seat cushion at all, it won't be there to work for the next passenger. The person sitting in that position could be badly injured. After reinstalling the seat cushion, always check to be sure that the safety belts are properly routed and are not twisted. 5-104