2014 Range Rover Sport – What is this marker on the virtual speedo?

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In the various PR videos, we’ve gotten a glimpse of the updated & somewhat optional 12.3” TFT digital gauge display for the 2014 Range Rover Sport.  In the shot above we can see it’s in Dynamic mode because of the icon above the word Range and the red colors that accent the graphics.

There are a few interesting items there, including the now returned green Land Rover badge.  But the one that caught my eye the most is in the bottom left quadrant of the speedo:

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What is that?  Anyone have an idea??