Whenever I'm rolling in first or second gear at about 5mph, I hear this constant "thumping" noise. It sounds like someone is knocking on an empty plastic bottle. It's coming from the front of the car and I can hear through the dashboard with the windows closed. It happens when I'm going straight or turning. I also have a sqeaky steering wheel and I'm wondering if I should take it to the dealership..I can deal with the transmission noises but this is annoying as hell. BTW, the car has 340 miles.