Open the latch by pressing the circular black button, beneath the rear hatch glass, just to the right of the Toyota emblem. The window unlocks and pops open. Then lift the latch up and open the window. To close the hatch glass, just pull or push the glass down. As long as nothing is obstructing the locking mechanism, the hatch glass will close and lock into place. Note: If the flip up rear hatch window is open, the power liftgate will not operate.