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Lane keeping assist failed 69% of the time when tested in simulated rainfall conditions – Safety


AAA conducted a

AAA conducted a “rainfall” test to determine its impact on the effectiveness of automatic emergency braking and lane-keeping assist.

Last photo pexels.com/ Sinitta Leunen.

Vehicles equipped with automatic emergency braking traveling at 35 MPH collided with a stationary vehicle 33% of the time when they were tested in simulated rain. Lane keeping assist was even worse with the test vehicles leaving their lane a staggering 69% of the time.

AAA conducted a “precipitation” test and announced the study’s results at the end of October. Typically, advanced driver assistance systems (ADAS) are rated for ideal operating conditions relative to their settings. simulate real world bad weather conditions.

Essentially, AAA assessments show that moderate to heavy rain affects the safety system’s ability to “see” which can lead to performance issues.

For example, even when traveling only at 25 MPH, cars with automatic emergency braking resulted in collisions in 17% of the test runs.

Today’s advanced safety systems rely on sensors and cameras to see road markings, other vehicles, pedestrians and obstacles, so it’s no surprise that rain can obscure your view of the road. technology.

Notably, AAA also tested cars with simulated dirty windshields — covered with concentrations of insects, dirt, and water — and found that overall performance was not negatively affected.

Even so, AAA notes that ADAS cameras can be affected by dirty windshields. It is important for drivers to keep their windshields clean for their own view and to ensure their ADAS camera is not obstructed.

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