Inside Of A Vigiana What Would You Do If You Are Sitting Inside Your Car In A Parking Lot?

What would you do if you are sitting inside your car in a parking lot? - inside of a vigiana

and a person who hit parked next to the opening of the door and accidentally next to his car, then you ignore the situation. Should I leave the car and see if any damage or thing, and with them for? How to use this situation in a diplomatic way to remedy the situation, so I do not think I'm going to my car is scratched a little anal? If they are simply ignored and deleted, even though he knew that I see, you should have a badge and a ratio of flight?