Accessibility & UX
: Keep holding AS until you hear a confirmation beep through the speakers. The display will change from "SAFE" to "10 ----" (the '10' represents your remaining code attempts).
: Many of these tools are shared as downloads within MHH AUTO threads. A generic example of a Blaupunkt code generator application is shown below. Opel Blaupunkt CAR300 code generator - MHH AUTO - Page 1
Disclaimer: This information is for educational purposes and is intended to help owners unlock their own radio units.
For professional locksmiths or advanced users on MHH AUTO, the "Dump" method is considered the most reliable because it reads the actual code stored in the memory chip, bypassing the algorithm entirely. Accessibility & UX : Keep holding AS until
: Turn your car key to the accessory or ignition position (the dashboard lights should be on).
Once you have retrieved your four-digit code via a generator or forum assistance, you must input it correctly. The CAR300 does not have a standard 0-9 keypad, so the process relies on the preset station buttons. Step 1: Clear the "SAFE" Screen Turn on the vehicle ignition. Keep the radio turned . Press and hold the AS (Automatic Store) button. While holding AS , turn the radio power knob ON . A generic example of a Blaupunkt code generator
But why is this specific thread so famous? What exactly is a code generator? And most importantly, how do you use the information from to unlock your radio without paying a dealership $100?
Advanced instructions on how to use a programmer (like a Willem or CH341A) to read the internal 24C02 EEPROM chip directly and extract or reset the code manually. Step-by-Step: How to Enter the Code into a CAR300
Keep holding "AS" until you hear a confirmation beep. The display will change to show " 10 - - - - " (The '10' represents remaining entry attempts).
Once you have retrieved your four-digit PIN from a generator or forum expert, you must enter it correctly. The CAR300 does not have a standard numeric keypad, so the process requires a specific sequence:
