to include it. The same vehicle is being assembled in Rosario, Santa Fe Advocacy Advocates promote OnStar as an essential safety tool. GM commercials have compared it to seatbelts and airbags, as the next major technology for safe driving. The benefits, they say, include its ability to aid police in tracking down stolen vehicles; contacting emergency medical services in case of an accident (should the driver request this or be non-responsive); notifying drivers of potentially dangerous mechanical problems; emails are sent to owners that give a diagnostics of their vehicle every month if subscribed to; and unlocking doors for drivers (after verifying authorization over the phone) should their keys be misplaced or locked inside their car. OnStar's basic subscription also includes Roadside assistance, as well HFC (Hands Free Calling) which is integrated into the OnStar system and operates in the same way as a regular cell phone does except that it is operated through voice recognition. Automatic Crash Response allows emergency advisors to provide emergency medical services (EMS) with additional crash information such as rollover status, direction of impact, which airbags have deployed (front, side etc.,) and the Delta-V (change in velocity) Force which is a medical measure of the intensity of an impact. All this information allows EMS to respond to the crash with appropriate equipment. In September 2011, OnStar has changed its terms and conditions to allow sale of vehicle location and speeds to interested third parties including law enforcement agencies, which has been criticized in the comp.risks forum. Use as surveillance device OnStar is theoretically susceptible to remote activation by malicious third parties or government agencies. This activation would enable third parties to track the location of the car, along with the ability to listen to the contents of any conversations carried on by the occupants within the car without their consent. However, the FBI has denied the ability to use this as it disables OnStar's safety features, as determined by the Ninth Circuit Court of Appeals. In its document of privacy practices, OnStar states that it is not possible for them to listen to or monitor conversations in a car without the knowledge of the occupant. The hardware is designed so that when an advisor calls into a car, a light flashes, a ring tone is heard, and the radio will mute. In 2011, OnStar said that it would start retaining all the information collected by