When I come to a stop, transmission slips out of gear until you start to accelerate and shifts normally after that. If you put the transmission in neutral and then put it into drive it will slip if you accelerate right away, however I found that if I wait about thirty seconds it goes into gear by itself and operates normally. Slight vibration at highway speeds on acceleration, disappears when you back off, not sure this vibration is in the transmission, but may be. Please help, bought this car and I really like it, but have been screwed over by two transmission shops before, once was when they told me the vibration was the transmission and it needed to be replaced and I later found out it was a slipped belt in the tire.!!!!!