No Answer-Back: Description
In some cases, wireless door lock control functions are normal but the hazard warning lights and / or wireless door lock buzzer answer-back function(s) does not operate. In such cases, the main body ECU's hazard warning lights and wireless door lock buzzer signal outputs may be malfunctioning.
NOTE:
Troubleshooting should be started after confirming that the customize status of the answer-back function has been switched ON.