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Discussion Starter · #1 ·
On Saturday I used one of the Chargepoint systems at the Alewife MBTA station. Chargepoint sent an email at 2:59pm that the charge was complete. When I unplugged the car at 4:54pm, I immediately got the OnStar text and email indicating that the charge was complete. In other words, the car waited until it was unplugged to send the notifications.

I thought, well, ok, maybe something weird about that Chargepoint system. That night I plugged in at home. At 8:29pm, my Clipper Creek charger sent me an email and text that the charge was complete. But I didn't get the notices from OnStar until I unplugged the car this morning. They came immediately.

Anyone else notice this weird behavior?

MY 2017
 

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On Saturday I used one of the Chargepoint systems at the Alewife MBTA station. Chargepoint sent an email at 2:59pm that the charge was complete. When I unplugged the car at 4:54pm, I immediately got the OnStar text and email indicating that the charge was complete. In other words, the car waited until it was unplugged to send the notifications.

I thought, well, ok, maybe something weird about that Chargepoint system. That night I plugged in at home. At 8:29pm, my Clipper Creek charger sent me an email and text that the charge was complete. But I didn't get the notices from OnStar until I unplugged the car this morning. They came immediately.

Anyone else notice this weird behavior?

MY 2017
I guess it depends on how a particular ChargePoint system is configured. I usually go back to my Volt before the first 2 hour of free charging is up. And when I tap the card on the station, it sends me text message right away that my cost of charging is $0.00 for 7 kWH sent by ChargePoint.
 

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I've gotten some charge complete text messages hours after I unplugged, drove to work, and depleted the battery. Onstar isn't exactly a world-class system, otherwise I would have renewed instead of letting it lapse (I'm now on the basic plan).

So sadly, this is normal behavior for Onstar.
 

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With the basic plan, most of the time, OnStar App works with Text Messaging. I usually check the charging status using my App because it takes me about 30 minutes to walk back to the charging station from our house. So I always check the status to make sure I have a 30-minute head start, and the app works quite nicely.
 

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Aside from the times when OnStar goes down (which appears to be about once a week at this rate), I get charge notifications as soon as the car finishes charging. I charged at Midway Airport a couple weeks ago and ChargePoint texted me right when I landed at my destination, and OnStar about 20 minutes later*.

It almost sounds like your OnStar unit is going to sleep prematurely and wakes up when you unplug your car...


*protip: if you're charging at a place that bills per-hour as well as per-kWh, manually end your ChargePoint session with the app when it finishes charging! I got billed $30 for adding about 10 kWh because my session was active for the whole weekend when I thought it would end automatically.
 

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Discussion Starter · #7 ·
Well, it's back to normal today, because I just got the notification and the car is still plugged in. Maybe the OnStar hamsters had the weekend off.
 
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