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Warning Chimes And Chime Characteristics

NOTE: There are instances where some chimes may sound through the IPC and should not be interpreted as a fault in the audio system. An example might be when the ignition is off, with the key in the ignition and the driver door ajar. In this instance, the audio system is offline and the key-in-ignition chime defaults to the IPC.

The IPC uses multiple network messages to control the overall warning chime arbitrator. The IPC arbitrates and controls all chimes regardless if they are sounded through the audio system or the IPC. The warning chimes all sound through the audio system except for the turn signal tick-tock chime which is sounded through the IPC. In the event of an audio system fault, the IPC sounds all chimes. The audio system has the ability to sound up to 2 chimes at a time while the IPC can only sound a single chime at a time.

The warning chimes use volume, chime frequency, length of time the chime sounds, decay of the chime tone and the number of chime tones to identify which chime is sounding. Most warning chimes have unique characteristics, however, there are chimes that do sound the same. The chime characteristics are defined by the different chime types:

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