Headlight Switch problems of the 2005 Ford Freestyle

The interior lights came on w/o turning them on and the switch was in the off position. Also, no doors were ajar at the time of the incident. At the same time the headlights turned on and off three separate times within one minute. This occurred on 05/14/2014, 05/17/2014 and 05/20/2014. All incidents were while driving at night. The first incident was while traveling on the interstate at 65 mph, the road was smooth with no rough areas hit at the time of the incident. The second incident occurred while traveling at 35 mph on a city road which was also smooth and the final incident occurred while traveling on a local highway at about 60 mph on a smooth roadway.