THURSDAY MORNING APRIL 14 I GOT INTO MY TRUCK TO GO TO WORK. PUT MY FOOT ON THE BRAKE AND START THE ENGINE. TURNED THE TRANSMISSION ROTARY KNOB ON THE DASH TO R AND BACK OUT OF THE GARAGE. THE ENGINE WAS STILL RUNNING AND PUT MY FOOT ON THE BRAKE TO GO TO P FOR PARK. AS I WAS GETTING OUT OF THE TRUCK AND TAKING MY FOOT OF THE BRAKE PEDAL. THE TRUCK STARTING MOVING FORWARD GOING BACK INTO THE GARAGE. IT PINNED ME BETWEEN THE INSIDE OF THE FRONT AND THE GARAGE DOOR OPENING. I WAS ABLE TO REACH FOR THE KNOB AGAIN TO PUT IT BACK INTO REVERSE. IT SMASHED THE LEFT FRONT DOOR IN AND TORE THE SIDE OF GARAGE DOOR OPENING. I HAD MAJOR BRUISING ON MY BODY. I AM VERY CONCERNED ABOUT DRIVING THIS VEHICLE DUE TO THIS ISSUE. I WANT TO BE REASSURED THAT THE VEHICLE IS SAFE BEFORE I DRIVE IT AGAIN. I HAVE BIG CONCERNS REGARDING THE ROTARY DESIGN FOR THE TRANSMISSION KNOB.