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Discussion Starter · #1 ·
Hello,
What is happening on that rare time you start the car and the seat belt noise is that "cheaper" sound that isn't coming through the sound system?


It happens infrequently.
 

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Do you mean when the sound is coming from the instrument cluster? There is a number of reasons why the car does that - the ACM or other modules are not booted/ready yet, the car has sat for a while, battery is low, and more.
 

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Discussion Starter · #3 ·
How can the ACM boot? before you turn on the car? the sound is automatic.


My car wasn't sitting, and the battery wasn't low.


*puzzled*
 

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The ACM and all other modules boot up every time you turn on the car... Regardless, there are a number of reasons the car changes the location where the sound comes from - many are known (such as the few I listed above), many scenarios can't be explained by users. The ACM could be busy reading other internal CAN-Bus network traffic when this happens as well. Either way, the car is designed to do this.
 

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There's really nothing to fix. The IPC and ACM are designed and programmed to work that way.
 
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