20100026474 | VEHICLE SECURITY SYSTEM INCLUDING PRE-WARNING FEATURES FOR A VEHICLE HAVING A DATA COMMUNICATIONS BUS AND RELATED METHODS - A vehicle security system for a vehicle of a type including a vehicle data communications bus connected to a plurality of vehicle devices may include at least one vehicle security sensor interfacing with the vehicle data communications bus for generating a pre-warning signal or an alarm signal, depending upon a sensed threat level. The vehicle security system may also include an alarm indicator and a vehicle security controller. The vehicle security controller may interface with the vehicle data communications bus for causing the alarm indicator to generate a pre-warning indication based upon the pre-warning signal, or for causing the alarm indicator to generate an alarm indication based upon the alarm signal. | 02-04-2010 |