System Operation

The vehicle horn system is activated under the following conditions:

• The horn switch is depressed.
• The body control module (BCM) commands the horns on. The BCM commands the horns on under any of the following conditions:
  • When the content theft deterrent system detects a vehicle intrusion. For further information refer to CONTENT THEFT DETERRENT (CTD) DESCRIPTION & OPERATION in Theft Deterrent.
  • When the panic button is depressed on the remote control door lock transmitter. For further information refer to KEYLESS ENTRY SYSTEM DESCRIPTION AND OPERATION in Keyless Entry.
  • When the lock button on the keyless entry transmitter is pressed twice within 5 seconds, a horn chirp will sound to notify the driver that the vehicle has been locked. For further information refer to KEYLESS ENTRY SYSTEM DESCRIPTION AND OPERATION in Keyless Entry.