Black Box: Powerful Eye Witness in Car Accident Cases
I’m Ed Smith, a Car Accident Attorney in Sacramento. Most commercial airliners have an unbreakable flight recorder, called a black box. In case of a plane crash, investigators can retrieve the black box and find out precisely what caused the plane to go down. Some cars also have a black box, known as an event data recorder (EDR). If you’ve bought a new car within the last decade, chances are your car has one and it can serve as a powerful eyewitness in an auto accident.
What are Event Data Recorders?
Event data recorders are tiny microcomputer chipsets that are no bigger than two decks of cards. About 96-percent of new cars being sold today in the United States has one. In most vehicles, they are part of the airbag control module located under the middle console.
Watch YouTube Video – Inside a car’s black box – Video explains what a black box is, how it works, and what data is being recorded.
How the Event Data Recorder Has Evolved
The event data recorders were originally installed in the 1990s in General Motors vehicles to ensure whether airbags deployed or not. But since then, their role and the range of the data they retrieve has expanded.
What Do Event Data Recorders Record?
The National Highway Traffic Safety Administration (NHTSA) has been gathering information from event data recorders to get a clearer understanding of the events that take place during an auto accident.
Unlike black boxes on airplanes, which repeatedly record data including audio and system performance, event data recorders capture driving habits. This includes speed and seat belt usage. The device records them retroactively if a crash is detected. When a crash happens, the event data recorder captures about five seconds of data before, during and after the car wreck.
More Data Being Recorded
The NHTSA has mandated that every new event data recorder would be required to record 15 types of crash data. The required data must include:
- Accelerator position
- Airbag deployment, speed, and faults for all airbags
- Brake application and antilock brake activation
- Crash event duration
- Driver & Front safety belt engagement and pretension or force limiter engagement
- Engine rpm
- Forward and lateral crash force
- Front seat positions
- Number of crashes
- Number of times the vehicle has been started
- Occupant size
- Speed of vehicle
- Stability control engagement
- Steering wheel angle
- Vehicle roll angle (in case of a rollover)
Watch YouTube Video – CNET On Cars – Black box: The snitch inside your car. Learn more in the video below about the types of data being recorded by the black box.
The NHTSA believes that the information the event data recorders collect will save lives in the future by providing a wider picture of how and why a car accident happens.
Who Can Retrieve the Data?
According to the NHTSA, information captured from event data recorders belongs to the owner of the vehicle. However, the Insurance Institute for Highway Safety (IIHS) says police, investigators and those involved in civil litigation can retrieve the data as long as the owner gives permission, or if they have a court order. Seventeen states, including California, have enacted legislation relating to event data recorders, making the information accessible.
Invasive Technology – Is this a Privacy Concern?
In this digital age of hackers, phone taps and cars connected with multiple computerized systems, privacy advocates are becoming more alarmed about the information event data recorders record, and who has access to it. They say government officials and automakers are spreading an invasive technology without first disclosing policies to prevent misuse of the data retrieved. Many are concerned that the recording might ultimately increase and include more classifying information.
Using Event Data Recorders in Court
Privacy concerns aside, experts say event data recorders are rapidly becoming an influence in criminal and civil lawsuits in serious auto accidents. The information they provide about speed, acceleration, braking and impact has been helpful in a growing number of court cases.
Although a few seconds of data may not seem like much, this tiny amount of information can entirely change the outcome of a case.
Event Data Recorder in Hit and Run Case
In People v. Xinos (May 2006), the Santa Clara County District Attorney’s Office prosecuted the driver of an SUV that hit and killed a 15-year-old pedestrian who was in a crosswalk. The driver then fled the scene after the accident. Standard accident reconstruction procedures revealed that the driver was traveling at about 55 miles per hour in a 45-mph zone. The district attorney’s office later dropped the vehicular manslaughter charge and allowed the driver to plead guilty to hit and run, the lesser offense. Initially, investigators were not aware that the driver’s SUV was outfitted with an event data recorder. One year after the accident, police found out that the data was available and they requested it. Prosecutors learned that the driver had actually been driving at about 75 mph. Because of that evidence, the lawyer who prosecuted the case revoked the plea agreement and continued to trial on the vehicular manslaughter charge. The driver was found guilty and convicted. However, in February 2011, the 6th District Court of Appeals of California overturned the manslaughter verdict on the grounds that authorities did not obtain a search warrant to collect the data.
Event Data Recorder in Drunk Driving Case
The California Court of Appeal took a different approach in People v. Diaz (Feb 2013). The California Highway Patrol’s investigation team examined the defendant’s car that was left in the impound lot more than a year after the defendant was involved in an accident that killed another driver. Police did not request a court order before downloading information from the event data recorder. Before trial, the defendant filed a motion to withhold evidence obtained through the warrantless search of the event data recorder from the defendant’s vehicle. The trial court denied the motion to suppress, finding there was probable cause to download data from the event data recorder and no reasonable expectation of privacy in the event data recorder. The defendant was found guilty of vehicular manslaughter with gross negligence while intoxicated and sentenced to a 10-year term.
Event Data Recorder in Toyota Case
Event data recorders were helpful in vindicating Toyota of responsibility for the unintentional acceleration accidents of 2009. Attorneys representing plaintiffs in lawsuits related to faulty parts are also exploring ways to get information from event data recorders to help win their cases.
Event Data Recorder as Eyewitness
While most accident investigators will be able to tell how a car accident happened by interviewing eyewitnesses and reconstructing events that would have happened just before the accident, most would agree that evidence from an event data recorder is the best eyewitness.
Contact an Experienced Car Accident Attorney in Sacramento
I’m Ed Smith, a Car Accident Attorney in Sacramento. If you or your loved one has been involved in a car accident, please call me at (916) 921-6400 or through our toll-free line at (800) 404-5400 to receive free, friendly advice.
I am honored to be a part of the Million Dollar Advocates Forum. Our members have won verdicts and settlements in excess of one million dollars for their clients. You are welcome to read my verdicts and settlements here.
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