Try plugging a 3.5mm Bluetooth transmitter into your iPod and pairing the transmitter to your Civic.
i thought i’d update you as you were the only one to mention anything audio related,
i found this for the wireless audio, but it doesn’t seem to be quite what i’m looking for form factor wise. the search continues.
elliott from the retro future had something similar in his recent zelda game & watch mod video, but no link.