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