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Car Locks After I Open/Close the Trunk

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The ability of the phone key to unlock all the doors when the trunk is opened went away in a previous firmware update around the beginning of the summer. It's a Bluetooth connectivity issue that accounts for being able to open the trunk by grabbing the handle, then not being able to unlock the car doors immediately afterward. I used to have it happen to me multiple times a week.
 
Oddly enough, I've sometimes walked up to the car, and could not operate the trunk release. But I COULD open any of the doors (and after opening a door, the trunk would operate normally). Typically I can open the trunk just fine, and when I can, then the doors are also available to me. I've not had the issue where the doors were locked after opening the trunk.