Enabling/Disabling the Horn Answerback Function

1. Remove the ignition key.
2. Push the UNLOCK switch while holding the LOCK switch pushed for four to ten seconds.

3. If the LOCK switch and UNLOCK switch are released at the same time, 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 the doors are locked with the keyless entry system.

NOTE:**: The horn will sound if the doors are already locked and the keyless entry system is used.