Version 9 of Tesla’s operating system places the control menu far away from the normal hand position in driving. Yet, Model S’s controls are placed at the very bottom of the 17” screen - an area that is next worst possible (after the right edge of the screen). For both these hand placements, the optimal control positioning would be on the middle left edge of the screen, close to the driver’s right hand. With airbags and smaller steering wheels becoming common, National Highway Traffic Safety Administration (NHTSA) has changed its recommendation and now 3–9 has become the safest position. When my generation learned to drive, the standard hand position was 2–10 (corresponding to numbers 2 and 10 on the clock).
/cdn.vox-cdn.com/uploads/chorus_image/image/45943830/model-s-interior_mockup5_800.0.0.jpg "tesla dashboard")
Thus, controls placed farther away from the initial hand position will take longer to acquire than those placed closer. Poor Target Design Target Placement Leads to Longer Interaction Timesįitts’s Law says that the time for the finger to reach a target depends on the size of that target and the distance to the target. And, in a car, time spent with the UI is time spent ignoring the road. When soft buttons are hidden under menus, selecting them involves multiple touchscreen interactions, and thus even more time and attention. Whereas with a physical button we can learn its location and acquire it without directing much, if any, attention to it (and hence we can play the piano while reading the score or we can touchtype on a real keyboard), locating a soft button requires us to visually confirm its position. In order to reliably touch these buttons, people must look at them. While touchscreen dashboards offer more flexibility than real dashboards, they have one big disadvantage: no haptic feedback. To close this menu, users must tap the “X” icon that now has appeared in the original menu in place of the arrow icon. The arrow icon (third from left in the main menu top) opens a submenu with additional controls (bottom). Tesla Model S touchscreen: The secondary car controls - applications such as car climate, media player, or the rear-view camera - can be accessed from the menu bar at the bottom of the car’s 17” touchscreen display. While this is a big screen (three times the area of an iPad), it can’t show everything - so, making matters even more complicated, in Version 9 of Tesla’s operating system, some features are placed inside an expandable menu.
#Tesla dashboard driver#
Instead, the main way to select them is through the 17” touchscreen display placed on the dashboard, between the driver and the passenger seats. But most of the “secondary” features (including rear-view camera, cell phone, media player, and climate control) do not have dedicated physical controls. Driving-related functions like cruise control, autopilot, wipers, and lights are all accessible through these controls. Tesla’s Model S has few physical controls - all placed on or very close to the steering wheel. And if they design these sophisticated car features so that they don’t take away cognitive resources from the basic task, which is driving. And they will - but only if car designers understand the most basic fact about human attention: it’s limited. Many of these features should make driving a safer and more comfortable activity. New cars come with rear-view cameras, obstacle sensors, parking assistance, lane-change assistance, adaptive cruise controls, autopilot driving, and even web browsers.
#Tesla dashboard how to#
For those of us who learned how to drive a few decades ago, driving a modern car is a completely different experience.
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