Why Drivers Deactivate Lane Departure Prevention Systems

Lane departure prevention systems that wait too long to initiate steering input or fail to prevent lane drifts greater than 35 centimeters may cause drivers to deactivate them, according to a new study from the Insurance Institute of Highway Safety.

The study results indicate that early intervention via slight nudges from the steering wheel and subtle braking as soon as tires start to drift could be key to increasing use of this crash avoidance technology.

Tests were conducted at 50 mph with cruise control engaged on a four-lane highway. Test vehicles included three 2016 models, specifically, Chevrolet Malibu with Lane Keep Assist, Ford Fusion with Lane Keeping System, and Honda Accord with Road Departure Mitigation. A 2018 Volvo S90 with Lane Keeping also underwent testing.

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