Release the "LOCK" button within 10 seconds after Step 2 and then release the "UNLOCK" button. The ETACS-ECU tone alarm will sound, indicating that the horn answerback function can be enabled or disabled.
- Enable the horn answerback function*: The ETACS-ECU tone alarm will sound once.
- Disable the horn answerback function: The ETACS-ECU tone alarm will sound twice.
- Enable the horn answerback function**: The ETACS-ECU tone alarm will sound three times.
NOTE:
*: The horn will sound if "LOCK" button is pressed with the doors locked.
**: The horn will sound if the doors are locked with the keyless entry system.