A few things first, Is the window up eo where you can pull it up a little? If yes. push it up and tape it. If not , In your kitichen you might have a little tool that you turn Hot Dogs while you are cooking them, They work like scissor. You might need two pair of them. If you can get them to hold the glass and pull up the window you can get your fingers on it you can then pull it as far as you can then put on hand inside, one hand outside and lift till it goes all the way up. Buick has a piece of plastic that does the lift and down of the windows.