Several screws will hold it in place typically.
My car window dropped into door.
How to repair a power window that is falling down.
If necessary guide the bottom edge with your other hand.
Remove the interior door panel to gain access to the window.
Open the hood and disconnect the negative terminal cable from the battery.
How to fix a car window that falls down into the door step 1.
There are several holes in the door.
Open the affected door of the vehicle and remove the interior trim and weatherstripping.
Remove the window glass pane by working it up through the door by hand.
Over time the rivets that attach your windowpane to the regulator can wear and break causing the window to fall inside your door.
Window is dislodged from the regulator.
Using one hand firmly slide the glass down as far as you can.
Since you will be realigning the glass move it to the bottom of the frame that lines the inside of the car door better known as the window channel.
Just as rivets or the regulator can wear down and break over time the control arm can break as well.
Quick fix but not the correct way to fix this gmc yukon xl.