Our SM told us that a car could park there for 24 hours then that is it. We tell our owners/residents that the visitors car parks are for the temporary use of visitors and if residents have any long term visitors, then they should park elsewhere.
We have always made allowances in holidays times (school hols and christmas, long weekends etc). We have had people house sit for months. We would consider them a temporary resident, not a visitor.
So far we have had no dramas with visitors using the car parks. If only we could say the same for residents…………….