AFTER WE HIT A DEER, WE NOTICED THAT THE CAR VIBRATED WHEN SHIFTING, WHEN EXPLAINING THIS TO REPAIR SERVICE, THEY STATED THAT THEY DOUBT IT WAS CAUSED BY THE ACCIDENT BECAUSE THEY HAD HEARD OF A LOT OF PROBLEM WITH A PLATE OR DISC THAT IS INTHE TRANSMISSION OF THE TOWN CARS THAT CRACKS. WHEN THE CAR WARMS UP IT WILL VIBRATE WHEN IT TRIES TO SHIFT. *AK