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How to Code a Renault Trafic Replacement Key Renaults have an immobiliser lock and key system that is complicated. This can make coding replacement keys a challenge. Many people assume the only way to solve this problem is to visit a dealer, however this could be a long and expensive process. The AVDI Renault Commander from Abrites is an excellent tool that provides a robust model coverage for a reasonable price. It utilizes an OBD cable that plugs directly into the OBD connector to extract pi