It always takes a while for new neighbours to sort out routines and understand the nuances of an area, so first off give them a chance, think of it as training someone - lots of positive re-inforcement. Any negative stuff will have the opposite effect to what you want.
At the same time be assertive about the parking right from the off. Expalin again, the parking issues and considerations, try and do it as part of another conversation.
And finally, chill slightly. If the parking isn't ideal but isn't a problem, don't make it one. Conflict is often bourne out of not knowing someone. Get to know them, let them get to know you. Keep that Welsh dragon in hand Plax
At the same time be assertive about the parking right from the off. Expalin again, the parking issues and considerations, try and do it as part of another conversation.
And finally, chill slightly. If the parking isn't ideal but isn't a problem, don't make it one. Conflict is often bourne out of not knowing someone. Get to know them, let them get to know you. Keep that Welsh dragon in hand Plax