What happens when a person arm gets stuck in a car window?

What happens when a person arm gets stuck in a car window?
Depending on how tight the window is the arm will slowly lose the blood circulation as the veins and arteries get cut of. Then you will lose feeling and it will go numb. If the gap is very small the arm may go purple from loss of blood. Don't fear the window won't cut through the arm as it is too dull. Your best bet is to slowly and steadily unwind the window. When the arm is free elevate it and slowly bring it down as the blood comes back. This way you will not get a tremendous pain. Once the blood comes back you will get the feeling back along with pins and needles. After that it will be fine. If it stays numb or is not returning to its original color, after a few hours, consult a doctor as you may have burst a vein or artery and will need medical attention straight away. Hope I helped.