The key gets stuck in the ignition. There is a sounds that happens when playing with the shifter and eventually the key will come out. Several times I had left the key in the car. There is also an issue with the car shifting from park. I'm sure that Chevy knew that the tranny/shifter was bad because they stat in the owner manual that if there is trouble shifting out of park, press the shift release button and take to dealership as soon as possible. I took it to the dealership and they arte telling me that I'm responsible for a know problem.