Doesn't matter as long as you weren't putting any lives in danger or anything of that sort. Find an Arabic speaker and make your way early in the morning to your local traffic department.

Morning = no rush = just had breakfast and coffee = in a good mood. You'd be surprised how easy things go when the officer sitting at the desk is in a good mood. Go, be extra nice and apologetic. say that you had no idea and that you won't be doing it again.