The designs had initially attached an LCD temperature display on the pouch but research showed that no one trusted the numbers precisely.

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About the only step back is a display color temperature that isn't as warm or inviting as on the original.

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The digital "eyebrow" display at the top of the instrument panel provides high visibility for the Eco indicator and speedometer, while the lower liquid crystal meter display houses the new percentage style state-of-charge meter, power meter, battery temperature gauge, multi-function display, remaining energy gauge, capacity level gauge and distance to empty display.

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Each patch contains a microprocessor and memory along with either a radio transmitter, a sensor reactive to light or temperature, a microphone, batteries or a display.

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That's all thanks to a collection of six sensors, which keep tabs on metrics like temperature, ambient light, humidity and motion -- whether it's fingers about to touch the display or people passing in and out of the room.

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