A couple weeks ago I went out shopping and when I got back out to my car it was dead. It took a while but I was able to get it started, drove to Walmart, and put in a new battery.
Things were fine for two weeks until it happened again. I came out in the morning to find my car completely dead. The trick I learned is if you can get a little bit of power moving exit the car and wait for that engine noise to stop, then it will start.
I took it to the dealer who usually services it. They worked on it for about four hours and could not find anything wrong.
Friday morning it happened again but it started right up, and it just happened again just now when I shut the car off.
When it happens,

