Unmarked buttons on the bottom?

MY car is 770 miles from me right now, so I can't go look but I'm unsure of what you mean.
Try the first four manuals in the first post in this thread:
https://www.crossfireforum.org/forum...ollection.html
It says "SRT6" but these apply to all Crossfires as far as the radio/cd (and most everything else) goes.