Had same problem with my 2018 GTS last week. Thought I would deal with it after Christmas but having seen your post I decided to do some " Googling".
It appears that Google Earth is no longer available. Rennlist Forum had this post plus there is similar on a Macan Forum too (
www.macanforum.com). Not sure what is going on tbh
Google Earth discontinued for 2017-2018 cars?
Google Earth was failing to load in my 2018 911, so I contacted the Porsche Connect folks for help. I received the following email in response (emphasis supplied):
"Thank you for contacting Porsche with your inquiry.
While we appreciate the time you took to contact us, we would be unable to provide the information you are seeking.
We were just informed that google earth will be discontinued for 2017-2018 vehicles across the board. It is no longer available for these vehicles.
For further assistance, we would encourage you to contact your local Porsche dealership. To find a dealership near you, please feel free to use the dealer locator tool by clicking this ?
link.
We thank you for your time and hope you have a great day."
Does anyone have any further information?