Just when we thought cousin Vinny was the only one who listens to the show, we get a surprise call from actress Geena Davis! What does a Hollywood star want with Tom and Ray? The lowdown on woodchip engines, of course! The teaching continues when Laura from New York City needs the 101 on parallel parking. And can Sarah learn the secrets of double-clutching? Plus a new puzzler about a prison escape, on this week's instructional hour of Car Talk.