all you lose is the ability to tell what date it is, it will still show a date just be the wrong one.
If you have hud, you will lose the radio station showing on the hud when you scan through the stations.
That is all that you will lose.
The aftermarket will not show the display of the name of the radio station and all info they put out (like artist name, song name, and sometimes morning show times and radio dj names)
You can program the radio stations name (like 105.7 here in st. louis is "the point") and it will display the name of that radio station once programmed.
I have heard rumors of some alpine and pioneers being able to do the info scroll, but as many as I see a day; I have never physically witnessed any that do.
-steven-
