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For those that have done the front PDC retrofit with a MT, does the front PDC automatically display when moving forward below a certain speed (my wife's i3 does this), or do you have to press the PDC button? And does the PDC continue to display if you shift into neutral and continue to roll forward (e.g.; on a slight downhill slope)?
The reason I ask is that I currently have rear PDC, and when I shift into reverse to back out of my garage, the PDC comes on as expected. But since my driveway is a slight downhill to the street, I typically just shift to neutral and roll down the rest of the way to the street. Of course when I do this, I loose rear PDC.
But what I don't know is if the front PDC works simply by forward motion, or if the transmission must also be in a forward gear. AFAIK, there is only a reverse switch on the transmission (I just replaced it), not a switch for the forward gears, so I don't think there is a way for the front PDC to know.
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