If you'd care to share your fix, I'm sure that many of us (well... at least me) would appreciate it.
I have the same "base" stereo, and am planning an upgrade at some point.
Try to remember that this is uncharted territory (I keep thinking of the ancient maps with the legend "Here Be Dragons...") for most of us.
FWIW ... I'm guessing that the Charger forums might have some answers, since the cars are very similar under the skin.
Good luck with your deployment. Stay safe.
As a police officer friend of mine once said, "Always attempt to maintain a low profile!"
And thanks for your service.