last night after a night of cruising my vert to huntsville and back my air bag light came on and started blinking.now this is a little nerve racking to me.my car has never been in a wreck and i cannot understand what would make it come on while just driving down the road.took airbag out to check the connections they were tight.checked the crash sensor in the front, it was fine,and unplugged and replugged the blue box under the dash.some one please help!!!!!