In conditionally automated driving (SAE level 3), drivers may take their eyes off the road but will still need to be ready to take control and will, therefore, benefit from information on automation. This study aims to investigate the effectiveness of automation manoeuvre information provided through spatial sound, traditional notification sound (beep), and a visual interface. Spatial sounds were designed differentiating four distinct driving manoeuvres: overtaking a leading car, slowing down, turning right, and passing a roundabout. The notification sound consisted of one beep being identical for all manoeuvres. The visual interface showed the automation mode with an image and manoeuvre information with text and images. The impact of these interfaces on trust, workload, acceptance, situation awareness, and sense of control was evaluated with questionnaires and visual attention was evaluated with eye tracking while participants engaged in a visual-motor secondary task in a driving simulator. The results indicate that, with all interfaces tested, manoeuvre information enhances trust, acceptance, situation awareness, and sense of control, without significantly affecting the overall workload. These benefits were more profound, adding auditory information and differed marginally between the traditional notification and the spatial sound, as the effectiveness of the different auditory interface types varied depending on the specific manoeuvre. Findings highlight the importance of designing user interfaces for automation manoeuvre information using auditory cues to improve the user experience in automated driving.

在有条件的自动驾驶（SAE 3 级）中，驾驶员可能会将视线从道路上移开，但仍需要做好控制的准备，因此可以从自动化信息中受益。本研究旨在研究通过空间声音、传统通知声音（蜂鸣声）和视觉界面提供的自动化机动信息的有效性。空间声音的设计可以区分四种不同的驾驶动作：超车、减速、右转和通过环岛。通知声音由一声嘟嘟声组成，所有操作都相同。可视化界面以图像显示自动化模式，并以文本和图像显示操纵信息。当参与者在驾驶模拟器中进行视觉运动次要任务时，通过问卷评估这些界面对信任、工作量、接受度、态势感知和控制感的影响，并通过眼动追踪评估视觉注意力。结果表明，通过测试所有接口，机动信息增强了信任、接受度、态势感知和控制感，而不会显着影响整体工作量。这些好处更加深远，增加了听觉信息，并且传统通知和空间声音之间略有不同，因为不同听觉界面类型的有效性根据具体操作而变化。研究结果强调了使用听觉提示设计自动化操作信息用户界面的重要性，以改善自动驾驶的用户体验。