Car Will Not Start problems of the 2010 Ford Taurus

The car will not start. This has happened 7 times in the last two months. It is totally random. It doesn't matter if it is cold or hot. There is no connection between how long it has been driven or how long it has sat parked. For example: yesterday, the car was parked for a couple of hours. I went to start it and nothing. After 15 min, it started. I then went to another store that was maybe five min away. The car was parked no longer than 10 min . When I got in the car to leave it would not start. It started 60 min later. The shortest amount of time I have waited for it to start is 10 min the longest is one hour. When I attempt to start it there is usually no sound. Once when I turned it over, I heard a click, but nothing. I cannot move the gear shift and the brakes are frozen. I have had it in the dealership twice and they cannot find anything wrong because they cannot duplicate the problem. I cannot just leave it at the dealership indefinitely because I do not have the luxury of having another car at my disposal. They will not give me a loaner because it is out of warranty. I am hesitant about going anyplace for fear of it not starting and how long I will be sitting someplace waiting for it to start. It isn't safe. I am leaving for three weeks and will leave it with the dealership then, but if they can't duplicate the problem, I 'm back to square one. I have been on-line and no one else has made a complaint about this issue from what I have read.

Taurus sho. Engine quit while driving 40 mph. Engine would not restart until stopped and shifted into park. Ford service unable to duplicate stall or find anything to indicate it had occurred. There was no area to pull off road and had to complete action in the lane of travel. Ford unable to find anything to correct.