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Tesla 차량 안전성 보고서

Tesla는 기술이 안전성 향상에 기여할 수 있다고 생각합니다. 그렇기 때문에 Tesla 차량은 세계에서 가장 안전한 자동차로 설계됩니다. Tesla는 패시브 세이프티(passive safety), 액티브 세이프티(active safety), 및 주행 보조 기능의 고유한 조합이 Tesla 운전자와 승객 뿐만 아니라 도로상에 모든 운전자의 안전 유지에 핵심적인 요소라고 생각합니다. 이러한 생각은 차량 디자인, 출시되는 소프트웨어부터 모든 Tesla 오너에게 제공되는 기능에 이르기까지, 우리의 모든 의사결정의 바탕이 됩니다.

Model S, Model X 및 Model 3는 미국 정부의 신차 평가 프로그램(New Car Assessment Program)에서 테스트 한 모든 차량 중 종합적으로 최저 부상 확률을 달성했습니다. 이러한 기록은 차체 바닥에 장착된 견고하고 강화된 구조의 배터리 팩과 밀접한 관련이 있으며, 차량에 탁월한 강도, 최적화된 크럼플 존(crumple zone) 및 낮은 무게중심을 제공합니다. Tesla 배터리 팩의 높은 강도 덕분에 사고로 인한 심각한 부상은 거의 발생하지 않습니다. 매우 낮은 확률이지만 화재가 발생할 경우, 최첨단 배터리 팩 디자인은 안전 시스템을 계획대로 작동하게 하고 일부 배터리로부터의 화재 확산을 차단함과 동시에 탑승 공간과 차량 내 열을 방출합니다.

모든 자동차 사고를 막을 수는 없지만, Tesla는 사고 발생률을 최소화하기 위해 지속적으로 노력하고 있습니다. 액티브 세이프티 기술(Active safety features)은 차량의 물리적인 구조를 넘어서서 안전성을 한층 높이기 위해 2014 년 9월 이후 생산된 모든 Tesla 차종에 기본으로 장착되었습니다. 모든 Tesla 차량 연결되어 있기 때문에 우리는 사고 발생의 다양한 원인을 이해하기 위해 전 세계 차량을 통해 축적된 수십억 마일의 데이터를 활용 가능하며, 이 중 10억 마일 이상에서 Autopilot이 사용되었습니다. 이러한 데이터를 기반으로 운전자가 사고를 완화하거나 예방할 수 있는 기능을 더욱 개선합니다. Tesla는 OTA (Over-The-Air) 소프트웨어 업데이트를 통해 차량이 인도된 뒤 오랜 시간이 지난 후에도 안전 기능과 개선된 사항을 소개할 수 있고, 차량에서 수집된 가장 최신의 실제 데이터를 반영하여 기존의 안전 기능을 업데이트한 버전 또한 출시합니다.

Tesla는 차량의 안전성 정보를 공유하고자 2018년 10월부터 자발적으로 분기별 안전성 데이터를 공개하기 시작했으며, 2019년 7월부터는 차량 화재 관련 자료를 매해 업데이트하여 발표합니다. 도로상의 모든 자동차 사고 발생률은 분기별로 달라질 수 있으며, 일광 감소와 악천후와 같은 계절적 변동에도 영향을 받을 수 있습니다.

Accident Data

Q3 2020

In the 3rd quarter, we registered one accident for every 4.59 million miles driven in which drivers had Autopilot engaged. For those driving without Autopilot but with our active safety features, we registered one accident for every 2.42 million miles driven. For those driving without Autopilot and without our active safety features, we registered one accident for every 1.79 million miles driven. By comparison, NHTSA’s most recent data shows that in the United States there is an automobile crash every 479,000 miles.

Q2 2020

In the 2nd quarter, we registered one accident for every 4.53 million miles driven in which drivers had Autopilot engaged. For those driving without Autopilot but with our active safety features, we registered one accident for every 2.27 million miles driven. For those driving without Autopilot and without our active safety features, we registered one accident for every 1.56 million miles driven. By comparison, NHTSA’s most recent data shows that in the United States there is an automobile crash every 479,000 miles.

Q1 2020

In the 1st quarter, we registered one accident for every 4.68 million miles driven in which drivers had Autopilot engaged. For those driving without Autopilot but with our active safety features, we registered one accident for every 1.99 million miles driven. For those driving without Autopilot and without our active safety features, we registered one accident for every 1.42 million miles driven. By comparison, NHTSA’s most recent data shows that in the United States there is an automobile crash every 479,000 miles.

Total overall miles and crashes were significantly reduced in this quarter.

Q4 2019

In the 4th quarter, we registered one accident for every 3.07 million miles driven in which drivers had Autopilot engaged. For those driving without Autopilot but with our active safety features, we registered one accident for every 2.10 million miles driven. For those driving without Autopilot and without our active safety features, we registered one accident for every 1.64 million miles driven. By comparison, NHTSA’s most recent data shows that in the United States there is an automobile crash every 479,000 miles.*

*Note: Since we released our last quarterly safety report, NHTSA has released new data, which we’ve referenced in this quarter’s report.

Q3 2019

In the 3rd quarter, we registered one accident for every 4.34 million miles driven in which drivers had Autopilot engaged. For those driving without Autopilot but with our active safety features, we registered one accident for every 2.70 million miles driven. For those driving without Autopilot and without our active safety features, we registered one accident for every 1.82 million miles driven. By comparison, NHTSA’s most recent data shows that in the United States there is an automobile crash every 498,000 miles.

Q2 2019

In the 2nd quarter, we registered one accident for every 3.27 million miles driven in which drivers had Autopilot engaged. For those driving without Autopilot but with our active safety features, we registered one accident for every 2.19 million miles driven. For those driving without Autopilot and without our active safety features, we registered one accident for every 1.41 million miles driven. By comparison, NHTSA’s most recent data shows that in the United States there is an automobile crash every 498,000 miles.*

*Note: Since we released our last quarterly safety report, NHTSA has released new data, which we’ve referenced in this quarter’s report.

Q1 2019

In the 1st quarter, we registered one accident for every 2.87 million miles driven in which drivers had Autopilot engaged. For those driving without Autopilot but with our active safety features, we registered one accident for every 1.76 million miles driven. For those driving without Autopilot and without our active safety features, we registered one accident for every 1.26 million miles driven. By comparison, NHTSA’s most recent data shows that in the United States there is an automobile crash every 436,000 miles.

Q4 2018

In the 4th quarter, we registered one accident for every 2.91 million miles driven in which drivers had Autopilot engaged. For those driving without Autopilot but with our active safety features, we registered one accident for every 1.58 million miles driven. For those driving without Autopilot and without our active safety features, we registered one accident for every 1.25 million miles driven. By comparison, NHTSA’s most recent data shows that in the United States there is an automobile crash every 436,000 miles.*

*Note: Since we released our Q3 report, NHTSA has released new data, which we’ve referenced in our Q4 report.

Q3 2018

Over the past quarter, we’ve registered one accident or crash-like event for every 3.34 million miles driven in which drivers had Autopilot engaged. For those driving without Autopilot but with our active safety features, we registered one accident or crash-like event for every 1.92 million miles driven. For those driving without Autopilot and without our active safety features, we registered one accident or crash-like event for every 2.02 million miles driven. By comparison, NHTSA’s most recent data shows that in the United States there is an automobile crash every 492,000 miles.

Vehicle Fire Data

2019

From 2012 – 2019, there has been approximately one Tesla vehicle fire for every 175 million miles traveled. By comparison, data from the National Fire Protection Association (NFPA) and U.S. Department of Transportation shows that in the United States there is a vehicle fire for every 19 million miles traveled.

In order to provide an apt comparison to NFPA data, Tesla’s data set includes instances of vehicle fires caused by structure fires, arson, and other things unrelated to the vehicle, which account for some of the Tesla vehicle fires over this time period.

2018

From 2012 – 2018, there has been approximately one Tesla vehicle fire for every 170 million miles traveled. By comparison, data from the National Fire Protection Association (NFPA) and U.S. Department of Transportation shows that in the United States there is a vehicle fire for every 19 million miles traveled.

In order to provide an apt comparison to NFPA data, Tesla’s data set includes instances of vehicle fires caused by structure fires, arson, and other things unrelated to the vehicle, which account for about 15% of Tesla vehicle fires over this time period.


방법론:
We collect the exact amount of miles traveled by each vehicle with Autopilot active or in manual driving, and do so without identifying specific vehicles to protect privacy. We also receive a crash alert anytime there is a crash that is correlated to the exact vehicle state at the time. This is not from a sampled data set, but rather this is exact summations. To ensure our statistics are conservative, we count any crash in which Autopilot was deactivated within 5 seconds before a crash, and we count all crashes in which the crash alert indicated an airbag or other active restraint deployed. In practice, this correlates to nearly any crash at about 12 mph (20 kph) or above, depending on the crash forces generated. On the other hand, police-reported crashes from government databases are notoriously under-reported, by some estimates as much as 50%, in large part because most fender benders are not investigated. We also do not differentiate based on the type of crash or fault, and in fact, more than 35% of all Autopilot crashes occur when the Tesla vehicle is rear-ended by another vehicle. In this way, we are confident that the statistics we share unquestionably show the benefits of Autopilot.

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