On my way home from work Christmas night ( yeah I have to work ) . service engine soon warning light went on and follow with massage Trans. fail . lucky for me that I am not too far from home. get the car home safe that night but when I slow down at the light , the trans. downshift hard and also upshift too. call the guy at stealer next morning to bring it in . the forman test drive with me and he said there are some thing wrong with the trans. ( no kidding right ? ) that he have to keep the car and gift me the loaner for today. he will call and let me know tomorrow . by the way I just have the trans. sofware update somtime this summer. oh my car is 2003 3.0I with 36 k on it.