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Automotive instrument displays commonly use telltale indicators to inform drivers of vehicle system status or to alert them to system underperformance. For greatest usability, telltales should be easy to locate with any change in status being readily apparent. An instrument cluster was designed with telltales presented in a stereoscopic plane closer to the observer and tested for usability in a desktop study. Participants answered questions regarding the presence or absence of specific telltales on the display. Usability was assessed by measuring the reaction time to locate a telltale and the sensitivity of the participants’ response to a change in telltale presence. The results indicated that the use of stereoscopic depth on telltales in an automotive display can improve user-performance when the number of telltales presented in 3D is restricted to three or less.