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From what Ive read, almost everyone doesn't like our cars doing this when plugged in but I actually do like it. Here is the thing, my '14 stopped doing it. I've tried toggling on and off the EVSE theft alert and a few other settings but it wont come back.

I like it because the charge stations at work don't always start when plugged in so the chirp is a positive indication. Im aware of the light on the dash turning green when charging starts. I guess im a curmudgeon and want it back the way it was.

Regular horn blows work as well as the pedestrian friendly toot.
 

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If you turn on EVSE power loss alert and cut the power to the EVSE, does it sound? (it's the same low chirp as the initial plug-in indicator)

And for the record, I don't think anyone objects to this chirp. It's gentle and informative.
The one most (all?) hate is the vehicle-left-on triple honk, which is the full power horn right in your face. Many have said, myself included, that if it was this gentler horn sounding, there'd be much less issue with the "feature".
 

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Agree, I like the chirp when I plug in and know it is charging. The Clarity PHEV only has a tiny green light by the charge cord and it is either green (charging) or off (done charging or who knows what is happening).

I also agree, three horn chirps are really annoying. The Clarity PHEV uses a different softer beeper for that. I wish GM would not have re-purposed the pedestrian horn for this. My hatch wasn't closed all the way one day and driving down the street every time I hit a bump and the car would triple honk. I had to drive a ways until I could pull over safely and close the hatch firmly. Software engineers could easily have fixed this by only doing that check while in park...
 

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Perhaps your disappearing "chirp to show the plug in is successful" is merely a reduced audio cue incident, correctable via the config menu.

My 2012 Volt’s "startup swoosh" sound became faint a few months ago, and twisting the volume knob as the car was started (a common suggestion to make it louder again) had no effect. I restored an appropriate sound level by going to the Config menu, choosing Radio Settings, and then fiddled with the available selections under Auto Volume and Audio Cue Options until I was able to set the desired volume level for that particular sound. Perhaps what you’re wanting to do is to reset the volume level for an audio cue.
 

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Perhaps your disappearing "chirp to show the plug in is successful" is merely a reduced audio cue incident, correctable via the config menu.
Is not. They're completely separate things. I've got the Audio Cue turned off and mine still chirps the horn when it starts charging.
 

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I've done a lot of thinking about this one, as several people I've lived near, or with, have complained.
I had pulled the horn fuse for some time to appease my girlfriend.

An old analogue electronic trick might help with a little tinkering.
First of all, I've gotta find the horn!
Then introduce a time delay by adding a relay with an r-c filter, that bypasses after half a second, so the horn works as intended for longer sounds.
That means that any of the short tones are shorter still, making them sensible and less annoying.

Can anyone advise me how to access the actual horn? I can't even see it, and don't know where to look.
 
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