I`m experiencing the same (i need the pin for safety in shared garage).
I thought the car was able to sense the Porsche connect charger, making the charger only work on my car without the pin.
Maybe we need the new update (late feb.)?
I'm quite sure that the Battery temp has something to say in this matter.
Last night: Batt. temp. = 5 degrees, 58% SOC, outside temp. = -13 degrees and Sport-mode, the Launch control didn't work.
A couple of days ago: Batt. temp. = 15 degrees, 69% SOC, outside temp. = -9 degrees and...
The dealer in Oslo (Norway) changed my camera module (before I got the car), so my picture is quite god.
Software issue:
I have the same problem. After changes (eks.: setting sound to "low") it`s not saved to the system.
The next time I start up the car, I have the old values.