1998 Chevrolet Express Van Owner's Manual - Page 82

To open the "40" (rear) portion of a 60/40 door from the outside, pull the handle on the side of the rear door and pull it towardyou. To close the side doors, close the "40" (rear) door first. Then close the "60" (front) door. Check to make sure both doors are completely closed. The front side swing-out door has a check strap assembly in the door frame to keep the door from opening beyond 90 degrees. To open the door beyond 90 degrees, close the door partially, pull thecheck strap outward at the spring hole and then open the door. When you close the door, the check strap will automatically re-engage. 2-11