I recently upgraded my Hum. The only thing the sales person gave me was the part that plugs into the car, which works just fine. I asked if it would work with the existing blue tooth device, and was told yes. the plug in was the only thing in the box. I also upgraded my phone. Now, the phone and the blue tooth part that clips to the visor won't connect with the blue tooth on my phone.
Any ideas? Both are charged, I've tried to pair the several times, nothing. I've disconnected the plug in and plugged it back in. I am out of ideas.