Morning Dave and many thanks for posting this on my behalf. My other concern is that the High Voltage Battery (HVB)appears to have suffered excessive degradation over the 6 years since it was produced.
At the beginning the year, it was charging to 20 miles of range (though not any more) but when new, it would have been 30-33 miles. From my research, the industry average for automotive HV battery degradation is about 1.5% per year, max 2%.
Porsche is increasingly installing HVBs across their model range and of course you have full EVs but are their HVBs up to scratch?
ps bought my Panamera from OPC with approved warranty - the warranty specifically excludes the HVB!