Lights On Chime

The radio receives a class 2 message from the IPC in order to activate a continuous, fast rate chime. The LIGHTS ON message is illuminated in the DIC and the audible warning is activated when the following occurs:
^ The IPC determines that the key has been removed from the ignition.
^ The IPC receives a class 2 message from the BCM indicating that the driver door is open. The signal circuit is low.
^ The IPC receives a class 2 from the BCM indicating that the headlamps or the park lamps are on.