2003 GMC Envoy Owner's Manual - Page 14

Rear Seats (Envoy XL) The second row seat is a 65/35 split seat which may be folded and tumbled. Use this feature for gaining access to the third row seats. To fold and tumble the second row seat(s), do the following: 1. Push the head restraints fully down. 2. Fold the seatback flat on the seat by pushing down on the front part of the lever. The lever is located on the outboard side of the seat (indicated as 1 on the handle side cover). 3. Release the rear set of seat hooks from the floor To return the head restraint to the upright position, reach behind the seat and pull the restraint up until it locks into place. Push and pull on the head restraint to make sure that it is latched securely. pins by pushing down on the rear part of the lever (indicated as 2 on the handle side cover). This enables the seat to be tumbled forward. 1-7