2010 GMC Savana 2500 Cargo Owner's Manual - Page 117

60/40 Swing-Out Side Door To open the sliding side door from the inside, pull the handle toward the rear of the vehicle. Then, slide the door toward the rear of the vehicle. To close the sliding side door from the inside, grasp the handle and slide the door toward the front of the vehicle. Make sure the door is completely closed before driving away. To open the front portion of a 60/40 door from the outside, pull out on the handle and open the door. 3-13