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IIHS Puts Driver Assistance Systems to the Test; Most Fail

August 15, 2018

August 10, 2018 ( An online article from discusses a recent study performed by the Insurance Institute for Highway Safety regarding driver assistance systems. Most the systems tested did not perform as well as expected.*

IIHS tested driver assistance systems — semi-autonomous features, like emergency braking, lane-centering, and adaptive cruise control — on various models of Mercedes, Volvo, BMW, and Tesla on both public roads and on a truck. During many of the tests, several models failed to avoid accidents, and some created dangerous conditions that could lead to accidents. 

The Tesla Model S and the Tesla Model 3 showed the highest levels of risk with regard to their adaptive cruise control and emergency braking. Both models were unable to avoid collisions while traveling at 31 mph with adaptive cruise off and automatic braking on. With adaptive cruise engaged, however, both models did stop in time to avoid crashes.

In road tests, all of the vehicles failed to stop for vehicles in front of them, except for the Tesla Model 3. The BMW models, Tesla Model S, and Volvo models all regularly steered toward the centerline line of roadways and crossed the centerline while using lane-centering features. None of the vehicles performed perfectly — all required some intervention by the driver during at least one test. 

The results of the IIHS study drive home the point that driver assistance and semi-autonomous features are not replacements for active, attentive human drivers. Drivers who use these systems should always maintain control over the vehicle and be prepared to intervene at any second to avoid an accident. 

Accident News is an archive of select Georgia car crashes, designed to alert and educate drivers, to help them avoid the most common causes of motor vehicle crashes.  If you or a family member are injured in an accident, call Montlick & Associates 24/7 for your free consultation at 1-800-LAW-NEED (1-800-529-6333) or use our live chat at  For more information about Montlick & Associates’ award-winning public service programs click here.  

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* This blog is intended to provide the public with news concerning serious automobile accidents and related stories. Although we are receiving this information from news organizations, initial reports may be different from conclusions reached by law enforcement personnel and other organizations, upon further investigation. Therefore, the accuracy of the content is not guaranteed. The information published here is based on information that has already been reported by a news organization, or other sources, and we cannot and do not assume responsibility for its accuracy. The source that we utilized at the time is provided above. If this posting pertains to you or your family and you do not wish for it to be on our website, please email us at [email protected] and we will be happy to remove it, but when doing so, please include a link to the the article that you wish to be taken down.

Category: Accident News

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