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4 min read
An Event Data Recorder (EDR) is a component of a vehicle's electronic system, often likened to an
box". It continually records a range of data about the vehicle's
operation, including speed, throttle position,
airbag deployment, and brake application. When a triggering event, such as a crash or sudden braking, occurs, the
EDR stores a snapshot of this data from the moments before, during, and after the event.
EDRs have become increasingly common in modern vehicles, being standard in most new cars sold in the United States.
Notable manufacturers include Ford, Toyota, General Motors, and more. To find out if your specific vehicle model has
an EDR, you may consult your vehicle's owner manual or contact the manufacturer.
The "event data recorder vehicle list" is not exhaustive because, while some countries have made it mandatory
all new vehicles to have EDRs installed, it is not a universal requirement. However, according to the U.S. National
Highway Traffic Safety Administration (NHTSA),
as of 2014, 96% of all new vehicles sold in the U.S. are equipped with an EDR.
To answer the question, "Does my car have an event data recorder?", you first need to refer to your vehicle's owner
manual. Usually, it's explicitly mentioned if your car has an EDR. You can also check for an EDR presence via an
OBD2 scanner if you have technical know-how.
The location of an EDR varies by manufacturer and model, but they are typically integrated with the airbag control
module due to their shared interest in vehicle crash data.
In the end, EDRs serve a significant role in enhancing vehicle safety. They provide critical insights into the
moments leading up to, during, and after a crash, helping investigators understand the sequence of events and
contributing to the improvement of vehicle safety systems.
As a vehicle owner, it's essential to know whether your vehicle has an EDR, as this data can also be useful in
resolving insurance claims and legal disputes related to road accidents. It's another layer of safety and
reassurance in our increasingly digital world of motoring.
Remember, while this glossary serves as a beginner's guide, consulting with a professional for further clarification
about the specifics of your vehicle's systems is always recommended.
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