![]() ![]() The privacy of information collected by EDRs is a matter of state law, except that federal law bars NHTSA from disclosing personally identifiable information. EDR data could also be used, sometimes in conjunction with other vehicle technologies, to record in the few seconds before an accident such data as driver steering input, seat occupant size, and sound within a car. ![]() For example, EDR data showed that in several cases a Chevrolet Cobalt’s ignition switch turned the engine off while the car was still moving, causing the car to lose power steering and crash the data directly contributed to the manufacturer’s decision to recall 2.6 million vehicles. Under previously adopted NHTSA rules, these devices have to capture at least 15 types of information related to the vehicle’s performance in the few seconds just before and immediately after a crash serious enough to result in deployment of airbags.ĮDRs have the potential to make a significant contribution to highway safety. ![]() Although over 90% of all new cars and light trucks sold in the United States are equipped with them, the National Highway Traffic Safety Administration (NHTSA) is proposing that all new light vehicles have EDRs installed in the future. An event data recorder (EDR) is an electronic sensor installed in a motor vehicle that records certain technical information about a vehicle’s operational performance for a few seconds immediately prior to and during a crash.
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