Enter only the last 4 digits, or the first 4 digits, depending on the model. If it fails, do not guess. Consult a forum.
. However, if your radio is an older model (pre-2015), you have several reliable ways to retrieve the code without paying a dealership. Google Play Reliable Free Tools & Apps Blaupunkt Radio Code Free Calculator
Use the preset buttons 1, 2, 3, and 4 on the radio faceplate. Enter only the last 4 digits, or the
Appendix: Sample radio unlock entry patterns, common serial prefixes, and typical code lengths are model-dependent; consult model-specific guides or dealer support for precise procedures. Enter only the last 4 digits