Abstract: System and method are presented which allow a user of a vehicle to initiate a spontaneous call to a nearby vehicle without knowing the phone number, or any other specific contacting details of the nearby vehicle, based on identification signs of the nearby vehicle which are visible to the user of the first vehicle, such as the color of the nearby vehicle, the model and the manufacturer of the vehicle. The system comprising communication means for establishing ad-hoc network communication with the nearby vehicle and display for displaying indications of the visible identification signs to that user.