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Changes in driver glance behavior when using a system that automates steering to perform a low-speed parallel parking maneuver
Kidd, David G.; Reimer, Bryan; Dobres, Jonathan; Mehler, Bruce
Insurance Institute for Highway Safety
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Drivers adapt their glance behavior when using automation, which may detract attention from their
surroundings. Glance behavior during parallel parking maneuvers performed with and without automated steering
was compared. Drivers directed a smaller proportion of their glances toward the parking space and spent less time
looking at it when using automation than when not using automation. The proportion of glances and time spent
looking at the instrument cluster containing information from the automation increased significantly. Unexpectedly,
drivers also spent a significantly larger proportion of time looking at the instrument cluster and a smaller proportion
looking forward and rearward when using automation while approaching a parking space. The system selected the
parking space in the approach phase, which may have drawn attention to the instrument cluster. The findings
indicate that drivers monitor their surroundings less and redirect their gaze to system displays when using automated
steering while parking.