Had the car just over 3 months without any problems. Yesterday I had what I thought was an alarm come up but nothing shows on the dash just a beeping from the drivers door near the speaker. Noise stopped after a few minutes. Came to drive the car today and the noise is back. Beeps every second or so, coupled to a short rumble sound from behind the door panel. The noise continues with the ignition on or off,any suggestions on cause would be appreciated.I think it may have something to do with the door locking system although not in that area. Taking car to dealer on Monday.