In fact, go to near the end of the video, watch frame by frame starting at 9:58, you can actually see part of his right arm and it clearly appears he’s drawing from his waist area. Subsequently within seconds the suspect raises up his gun and starts shooting.
That actually makes the most sense for why he was so afraid to get out of the car. As usual, the patience of the 2 officers was unreal.
I will add, unfortunately, the suspect was really fast and very accurate.