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There have been many current studies regarding touch display locations. However, these studies revolve specifically around the Y and Z axes which disregard certain elements of an touch display in terms of usability factors. The compact car has limited space for the layouts of touch display locations. In addition, the users of compact cars have smaller body types which could be problematic for the usage frequency of touch displays without proper consideration of its location. This study focused on the touch display locations that are placed in compact cars. The conditions of this experiment focused on women drivers who drove working vehicles during actual traffic and driving scenarios. The 3-dimensional axes(X, Y, Z) determines the location of the touch display and were analyzed throughout the experiment. The experiment is divided into two experiments. During the first experiment discomfort score of menu touch task while driving are measured according to 24 location alternatives.

In order to utilize in-vehicle systems efficiently, many vehicles are becoming equipped with integrated controls near the center fascia or the control box. However, the placement of these control systems can cause safety issues and risks due to visual distractions. In this study, we proposed a new integrated touch screen on the steering wheel. For this experiment, a control system was placed on the steering wheel or the center fascia. 15 participants were required to drive while utilizing vent and navigation control tasks regarding four different locations. Three of these locations were based on the steering wheel (center, upper right, lower right) and one location on the center fascia. Afterwards, the task completion time and visual distraction rate of the different locations were measured and compared. The results showed that a touch screen placed on the upper right section of the steering wheel had better performance and lower user discomfort.