You can edit the model of the vehicle using Zmodeler or you can add some light bars as childs in the editor. You can put the lights on the light bar using the edit lights menu in the editor editor.
You can't delete it. Stan or Hoppah has to delete the account. You could have just got Stan to change the name of the account. Why did you need another account?
Isn't this, and this your mod as well? You've made three topics about a south east or kent mod. Are you working on those as well? And aren't you working on another mod?