If the proper key has been used, the immobiliser indicator light will come on for about 2 seconds, then go off.
If the wrong key has been used whose code was not received or recognised by the unit, the indicator light will come on for about 2 seconds, then it will blink until the ignition switch is turned OFF.
If the ignition switch is turned OFF, the indicator will blink for about 5 seconds to signal that the unit has been set correctly, then the indicator will go off.
If the customer has lost his key, and cannot start the engine, contact Honda Customer Relations.