11. EXPLANATION OF COMPONENTS 11.4 ROOF HATCH When opening 1. Lock the safety lock lever securely. 2. Check for an ceiling window movement by pulling lock x located on both sides, then push up and open the ceiling window grasping grip y . When closing Close the ceiling window grasping grip y and lock it with lock x . If the lock cannot be applied, open and close the ceiling window again. PC450-ENG 2-24