[SCRIPT] Script Error

[Romulator]

Looking away from your script, and just at what you said I'd presume what you want is

void Info(string &in asEntity)
{
SetMessage("Message","CarScript", 0);
}

Then put this in void OnStart()

SetEntityPlayerInteractCallback(NameOfEntity, "Info", false);

You don't need the setentityplayerinteractcallback, this is possible in the entity tab itself, for the entities. right?

It's arguably better to not use those. It's easier to look over your code when it is bound within the scope of just the hps file. I for one find it ridiculously tedious going back and forth between my Level Editor and Notepad++, but it could of course just be a matter of preference.