I let my newly 2 year old pee whenever wherever. Public bathrooms are usually gross. If I know the bathroom is going to be nasty I just open the car door and have him pee under the car. If the bathroom at the park is to far away he pees on a tree..... We use bathrooms if they are clean and avaliable but if not, he pisses wherever
Today he had to pee and waited till the last second so he peed outside the car at the hair salon.