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Both windows go down by themselves after shutting car off

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Do they go down all the way, or like about an 8 inch drop? Do the windows drop slightly when you pull the door handle?  My car has done this on the drivers side window.  Lock it and walk away. Come back to the car and the window had dropped about 8 inches.  I did replace the window regulator and the entire door latch mechanism w/microswitches with OE Porsche parts.  The car has never done the window drop again.  It is strange that both windows are doing it since there is no connection between the windows that would make them both drop. I would also give a thought to the window switches in the center console.

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How is your battery voltage? A lot of strange gremlins happen when the battery voltage is low.  Also strange gremlins when the electrical part of the ignition switch starts to go bad.  When you say the doors no longer lock...is that with the remote or putting the key in the door latch?  Do the doors lock if you use the console switch?

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