I was picking up groceries with my wife and started to pull out of the parking space. I had not turned the truck off because I was enjoying the cool air. The truck had no acceleration after initially getting me moving forward and no braking. "TOW" was the only thing out of the ordinary lit up on the display. I was moving slowly and the brake pedal was unresponsive. I did not have power steering. As I got closer to other cars, I put the transmission into N and then P but was still moving. I ran it into a curb to stop it. I turned the truck off and back on, and everything was fine. I accidentally must have hit the Tow Mode button, but that shouldn't have any bearing on the controls ceasing to work. Any ideas what just happened?