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Hey there, I'm having a couple issues with my car that could all be related, but I'm not sure, so I figured I'd pick the forum's brain to see if anyone else has had similar issues and possibly knows the cause. I have a 2010 Fusion SE, and I drive it maybe one per week, so the car is sitting in the garage quite a bit. The first time I had any issue the car had been sitting for two days. In that time I did access the car with my remote but did not start the engine. When I eventually did go to start my engine, the remote did not work. I used the key to open the door. When I put the key in the ignition and turned, the engine started, however I could not shift out of park. Most electronics didn't work either. The engine combustion seemed off too. The only electronics that seemed to work were the windshield wiper switch and the radio. The solution: I disconnected and then reconnected the battery and then the car worked fine. This situation happened again a couple months later, after the car was sitting for a couple days. This time I didn't even touch the car while it was sitting. Also, this time the engine wouldn't turn. Instead the car just emitted a clicking sound when I turned the ignition key. The solution: disconnect the battery and then jump the car. Since that time my car battery has died two times after sitting for several days. One time I checked the voltage and it read about 3.5V, however after it was fully charged it read 14V, so I don't think there are any bad cells. Either way I am going to get a new battery soon, but I don't believe the battery is necessarily the problem. One night I was outside and I noticed the car headlights and brake lights would briefly flash every few minutes. So I'm starting to think this is a computer problem. Has anyone had similar issues? Like I said, I am going to replace the battery soon. Also, I will probably try to see if the computer is throwing any error codes.