Nothing really happened, when I started car at the morning radio didn't powered on. Also back radio (for rear passangers) it offline too - no sight of life. Everything else works well (light, air, dashboard, AUX powers, signals.....)

One thing: last night I accidentally triggered alarm by pulling badly closed trunk door... may it cause radio to lock? die?

 

Check the radio fuse

 

Radio fuse was fine. But when I start pulling and checking all fuses in car cabin, then started the car radio start working.... hm... so no problem anymore.

 

Radio was probably in logic lock. By re&re-ing the fuse you reset the radio