If your car has a manual lock, try threading the hanger into the door-frame to disengage the lock-pin. If a window is cracked open and the car features automatic locks, try snaking a hanger through the window to press the electronic unlock button. read more
Reinsert the metal coat hanger from the top of the window if you can't find the pin. Maneuver it through the rubber molding around the window's edge. Guide the metal coat hanger onto the lock and carefully push it to unlock the car. read more