Owning a GPS jammer is in itself not illegal, but using the devices to interfere with signals is a crime, according to the Southeastern Finland Police Department.
They have devices installed which include GPS and an accelerometer. They report back to base via a cellular connection when you drive erratically or aggressively etc.
It’s not just EVs - most new cars have these tracking devices where they sell your data to your insurance company to be used against you.
How are they getting the data?
5G (“Connected Cars” for lower insurance rates have been a thing in central europe for over 20 years) and Wifi.
They have devices installed which include GPS and an accelerometer. They report back to base via a cellular connection when you drive erratically or aggressively etc.