Once I hit the exit ramp, the car started shaking really bad. The back door has a terrible habit of not closing all the way, and I thought that the exit had knocked it open. It felt like maybe the speed and wind were dragging it. So, I’m on the exit ramp. I pull over to the right shoulder. I get out and slam the back door hard. I get back in and pull forward five feet and realize it wasn’t the door. I could smell rubber. [...]