The developer has officially closed the CRUCC software project and moved operations to an online web interface powered by the same algorithms. However, archival versions like remain widely cataloged in independent databases.
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Most car radios will lock you out for 1 to 24 hours after three failed code entries. If the first code from CRUCC does not work, do not try two more random codes. Double-check your serial number entry. The developer has officially closed the CRUCC software