The looming 3G shutdown is going to affect more than Australia's phones.What many don't know is that many unattended retail sites - such as vending machines, parking stations, car washes - are still relying on the 3G network.Quality Vend founder and managing director Robbie Allison told 2GB's Ben Fordham that problems had begun with his vending machines a couple of months ago.READ MORE: Search continues for biggest lotto winner in Aussie histor…