PioneerTA

Hi everyone. I took a look through the past posts and could not find the same problem I had experienced this week. Hoping someone can point me in the right direction. My 4000NEX w/bypass was working fine in the morning, then when I started the car up again later that day I had the following symptoms. -Radio boots up. -HD Radio screen appears. -Stock radio background image which is normally blue, has now gone a shade of black. I can see all touch options, but some of them are not responsive. I could change radio stations, but hardware buttons do not work, so no volume, no eject, I ca