My D2 didn't do this, but my D3 does. And you can tell, because you can sometimes feel the brakes going on and failing that, you can see the rear screen brake light illuminating the rear screen.
I think it applies to cars with a readout of the cruise speed setting, which is another cool and very useful thing
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A journey of a thousand+ (epic) miles, begins with a single step, (to the door of an 8). Lau Tzu
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