The Lights Won't Shut Off When We Parked Our Car

One night, me, my best friend, her mother and her little brother decided to go. The lights were working fine previously, and we never had any issues with this vehicle. As we parked the car and shut it off, for some reason, the interior lights would not shut off. We all just silently sat in the car for a little bit, looking out the windows. All of a sudden we saw a dark figure behind the vehicle, slowly walking towards us. It walked with a limp, like it was dragging a leg. This thing kept getting closer to the vehicle. My friend, sitting in the passenger seat, suddenly had her or ripped open. Thankfully, she was holding the door