yea, i wouldn't really risk that, unless it's not a street car. Authorities won't care if ur a minor or not. There's a chance (a big one) ur car will be impounded, seized, etc. -_-
But...u'd probably have to make the bar urself. There's some car alarm systems that can make the siren sounds somewhere, but u'll just have to look around cus i dunno. *shrugs*
gl