If you hold both lock and unlock buttons down on key fob for a few seconds, you can disable the horn blowing when you lock the doors. Do this procedure again and then the horn will blow when you lock doors.
Silencing the horn beep feature
If desired, the horn beep feature can be deactivated
using the keyfob.
To deactivate: Press and hold the LOCK
and UNLOCK buttons for at least 2 seconds.
The hazard warning lights will flash three times to
confirm that the horn beep feature has been
To activate: Press and hold the LOCK
and UNLOCK buttons for at least 2 seconds