This occurs after two consecutive wrong attempts. The radio completely freezes, and buttons will not respond to inputs. How to Reset SAFE 2 Mode:
Once you have the generated code, entering it correctly is essential. Here’s the procedure: Rcd 300 Code Calculator Blaupunkt 1
For stubborn units, some technicians use "EEPROM" dumps (e.g., 24c32 or 95640) to extract the code. This occurs after two consecutive wrong attempts