One important thing about this Issue............
Taycan, at least in Spain, comes with a 40Ah battery (12v).
I think it is ridiculous...Taycan has a lot of electronic components (navigation, music, lights, etc).
I read in this forum about a 60 Ah battery (12v) in USA's Taycan....someone could...
I have a Taycan 4s.
My 12v battery went down in the second day (only 140 km....about 100 miles done), Taycan go dead. No possible open doors, or run the car...nothing.
After to recharging the 12v battery (don't ask me how I did it....it was an oddisea!!!), Taycan's PCM system didn't works...