Perimeter Alarm Warning Chime

The perimeter alarm warning chime alerts the driver that the perimeter alarm is armed when the driver door is unlocked before disarming the alarm. The warning chime sounds through the front speakers for 12 seconds when the driver door is opened, and turns off when the perimeter alarm is disarmed (either by using the key fob or turning the key to the ON position). After the 12 second warning chime duration, the warning chime stops sounding and the perimeter alarm activates, sounding the horn and flashing the turn signal lamps. The IPC receives the alarm mode message from the BCM over the MS-CAN.

When a chime request is received, the IPC sends the IPC chime request message to the ACM (without Sony audio system) and audio DSP (with Sony audio system) to sound the chime.