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My wife's AWD explorer has a similar display...it always displays the outlined display like you are showing, but when you drive, the bars fill in to indicate power being transferred to front/rear axles.
I guess I will leave this here for reference. Works just fine. Apparently I was more worried about other vehicles in the parking lot instead of paying attention to my gauge LOL.
4A and 4 x 4 look very similar as you drive. The former shows a larger bar, for more power, to the rear wheels where as the latter shows them being equal.