18;write_to_target_document1a;_daLsaaPOJt2sw8cPodOpuAM_20;5f2; Grundig GX3800

For persistent “CODE” lockout (e.g., 3 wrong attempts):

Make sure to back up any important data before performing a factory reset.

From the screen, go to the Settings or Car Settings app. Navigate to System or About Device . Select Reset Options or Factory Data Reset .