1997 GMC Safari Owner's Manual - Page 17

Removing the Rear Seats To remove the rear seats, do following: the 1. If you are removing the center seat,remove the right lap-shoulder belt. To do this, press the tip of a key into the release hole of the safety belt attachment while pulling up on the safetybelt. 2. If you have a safety belt guide on your seat, pull the safety belt all the way out through the guide. I TO DETACH BELTFOR SEAT REMOVAL \ \ 3. Pull up on the seatback latch on the right rear of the front seat.Push the seatback down until it locks in place (non-touring bench seats only).