Lower the windows slightly and start at the top of the window and work down so you will catch any drips.
Be sure to clean the knobs, crevices and vents using the proper and dry the area with a clean and the using caution remove water from cracks, crevices, buttons and vents.
Gregory recommends using a store-bought, heavy-duty brand for tough ground-in dirt like Turtle Wax Power Out! Car windows can be a huge pain to clean—obviously you need to clean the outside windows along with the outside of the car, but you have to clean the windows on the inside, too.