I finally found out what it is. It was the Dealer Installed Security System malfunctioning. The small black circuit board holder that is attached under the dash with two screws was warping slightly when the vehicle warmed up. This made it think the "electronic key" had been removed (only guessing). I sprayed it with "dust-off", which cooled it and it started. I called the original dealer who installed it and was told to just remove it. I did and the car would not start. I put it back on, and it still would not start. I squeezed it while turning the key and it started. Dealer has agreed to remove it for nothing. Thank you to all who looked at the problem and especially those who attempted an solution.