Question about Peugeot 405
Key battery replaced. If buttons operated repeatedly while vehicle out of range and system becomes inoperative.
Switch ignition ON. Press and hold lock button Fig. 1  for 10 seconds. Switch ignition OFF. Remove key from ignition switch. Wait 5 seconds. Synchronization procedure complete. Confirm synchronization has been successful by locking, double locking and unlocking vehicle. Repeat above procedure to synchronize any remaining keys.
Key added or replaced. System malfunction.
Obtain all keys. Obtain owner's vehicle security card. Replacement keys can only be programmed using diagnostic equipment.
Posted on Mar 26, 2011
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Posted on Jan 02, 2017
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