I put my 2004 Jeep Liberty sport into 4-lo, drove for less than 100 yards, and when stopped it would not go back into starting position. After several minutes I finally got it back, but dashboard said it was still in part-time. When I re-started and tried to reverse, in regular drive, the car would not move, nor would it in drive, 2nd or 1st. I then put it back into 4-wheel drive and was able to drive it, but unfortunately only a five mile drive home it was smoking at the front wheels when I got home. What have I done, and is it "fatal"?