Ignoring the issues with distance estimation consistency and object detection in good conditions, currently on the wet roads covered in autumnal leaves and salt around our home it is taking no more than 10 minutes / ~3 miles of driving before Park Assist declares itself to be 'degraded'.
Until the camera fouling issues are resolved, none of this stuff is going to work in a consistent and helpful manner.
Until the camera fouling issues are resolved, none of this stuff is going to work in a consistent and helpful manner.