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Discussion Starter #1
I scanned the forum looking for information on this but didn't see anything.
I have a 2015 Base that I have been charging with a L2 charger. Occasionally, I will hear a double honk maybe an hour or so after plugging back in. This always happens when first plugged in to alert me that the delayed charge is activated but then it will happen randomly through the night. I don't think this is normal but so far, the car hasn't experienced any ill effects and it always seems to be fully charged by the prescheduled end time.

Should I be concerned?
 

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Could it be possible on the middle of the night there was a short power outage, just enough to reset the EVSE o the car thought you unplugged and replugged in?
 

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Discussion Starter #4
"Could it be possible on the middle of the night there was a short power outage, just enough to reset the EVSE o the car thought you unplugged and replugged in? "

This is what I thought at first also and it was just a fluke thing but, it has been going on ever since I had the car (about 4 months). I am not sure if I should have the car checked out or the wiring...
 

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According to the manual, you get two horn chirps When:
"Charging is delayed by Programmable
Charging or, if vehicle is equipped
accordingly, by a total utility interruption via
OnStar. Charging will begin later. See Utility
Interruption of Charging on page 9‑55."

And from 5-39:

"The charge process was
interrupted by the utility
company via OnStar as
authorized by the vehicle owner
(available in select regions)."

Don't know if you live in a select region or not.
 

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My first guess would be that the EVSE is faulty. Try using the included 110v charger. If it has the same issue, then either your power is unreliable and had dips at night, or your Volt's charge controller is faulty.
 
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