2004 GMC Envoy Owner's Manual - Page 116
2004 GMC Envoy Manual
Page 116 highlights
Lower Position To prevent soiling the carpet, the panel may be installed either side up. Insert the front corners of the panel into the lower guides and slide the panel forward. Press down on the back of the panel to lock it in place. Notice: Loading objects that weigh over 200 lbs (90 kg) onto the panel may cause damage. Repairs would not be covered by your warranty. Do not load heavy objects on the panel. Vertical Position Plastic grocery bags can be attached to the hooks on the panel. Insert the front corners of the panel into the vertical guides behind the seatbacks and slide the panel down. Notice: If you use the panel as a barrier for large objects in the cargo area while the seatbacks are folded down, the panel may be damaged. Do not use the panel as a barrier between large objects in the rear cargo area and the seating area. 2-50