battery goes flat overnight I think the screen was on for a 2 or 3 days before it went flat the first time,had road slide jump start the car and check battery which was ok, but was told that even with car off and locked somthing was drawing current ,as if a light was on in the car.when I did try to start the car the airbag light was the only thing lit ,the car is booked in at ford on thusday.