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Discussion Starter #1 (Edited)
I find it confusing that there are at least three web sites providing various forms of functionality for my new 2017 Chevrolet Volt. There isn't one single web site or mobile app that provides all of the functionality contained on all three web sites.

The MyChevrolet.com web site is the most polished (in my opinion), but it doesn't give the detailed charging history that the MyVolt.com site provides. The MyVolt.com site is ok, however, it hasn't been updated with new videos and owners manual for the Gen 2 Volt.

Again, as someone who works in Information Technology and works with developers build and maintain web sites I urge Chevrolet to focus on providing all of the information and functionality in one web site.
 

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Lucky you that you can buy and own a Chevy Volt, because GM will not allow local dealers in Puerto Rico to sell or service them. BTW, my brother lives in Davie, FL, so I know that area. My sister lives in Miramar toward the west.
 

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I agree. I am still not clear on the use of all of them. Same with various smartphone apps.

But, here is another you should probably be using: voltstats.net Third-party, not affiliated with GM or Onstar.
 

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I find it confusing that there are at least three web sites providing various forms of functionality for my new 2017 Chevrolet Volt. There isn't one single web site or mobile app that provides all of the functionality contained on all three web sites.

The MyChevrolet.com web site is the most polished (in my opinion), but it doesn't give the detailed charging history that the MyVolt.com site provides. The MyVolt.com site is ok, however, it hasn't been updated with new videos and owners manual for the Gen 2 Volt.

Again, as someone who works in Information Technology and works with developers build and maintain web sites I urge Chevrolet to focus on providing all of the information and functionality in one web site.
So pick one and use it :)
 

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My Chevy and Onstar

According to my dealer, the mychevyvolt.com site is an enhanced version of Onstar for the Volt, and content is moving there from Onstar gradually. Since it duplicates Onstar but has much more content, that's the site I'm using. Really useful if you charge away from home as I often do. The same password works for both sites.
 

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When the Volt was initially released, it had so many advanced features that is required its own dedicated owner site, as the main mychevrolet site could not accommodate all these additional features. Now that myChevrolt app has caught on, there is no need to use the old myvolt website anymore. OnStar is a separate service, and requires its own site. You may have a Volt that is no longer active with OnStar but you should still be able to access myChevy site for getting other details about your Volt. GM will eventually clean out all the old sites and apps.
 

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I agree. But as a consumer of information technology, I feel much of web and app development has become ridiculously over-engineered, complicated, and buggy. Outside of the "useless" promotion pages designed for mobile sites that really tell you nothing, I find very, very few websites that match my "ideal" of informative + ease-of-functionality. As an example, try doing some searches on the Apple website for specific products or, worse, any kind of relevant support. Nightmare.
 

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According to my dealer, the mychevyvolt.com site is an enhanced version of Onstar for the Volt, and content is moving there from Onstar gradually. Since it duplicates Onstar but has much more content, that's the site I'm using. Really useful if you charge away from home as I often do. The same password works for both sites.
Just tried myChevyVolt.com and the domain is for sale, are you sure that's the right spelling?
 

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Just tried myChevyVolt.com and the domain is for sale, are you sure that's the right spelling?
It is MyChevrolet.com
The other one is MyVolt.com
 

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Sorry. I meant the myChevrolet app. You have the same password for it and Onstar but it has more content than Onstar.
I have a brand new 2017 Volt so I'm trying to get to learn these apps.
 

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Actually, what is on the myVolt web site? I've been trying to log in with my OnStar information and it won't let me. I have spent 8+ hours on the phone with OnStar and they haven't been able to help me.

OTOH, VoltStats.net works like a champ. Does VoltStats duplicate everything on the myVolt site ?
 

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Wasn't the issue here that Gen 1 Volt was meant to be a "game changer" and GM rolled out this whole big splash with separate websites, a "volt" advisor, and other "volt-specific" things. Now they are just trying to get the Volt "back" into the Chevy family as it's no longer the orphan "electric" it used to be.
 

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Discussion Starter #14
But, here is another you should probably be using: voltstats.net Third-party, not affiliated with GM or Onstar.
Yes, thanks, I discovered that one yesterday ... I'm a computer techie and I see that voltstats.net leverages some API that GM exposes at gm.com. I'm curious to try and play with that API to see what data GM exposes via that API. I'm looking for a way to automatically total up the number of KW/h I'm using for charging my car.
 

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Yes, thanks, I discovered that one yesterday ... I'm a computer techie and I see that voltstats.net leverages some API that GM exposes at gm.com. I'm curious to try and play with that API to see what data GM exposes via that API. I'm looking for a way to automatically total up the number of KW/h I'm using for charging my car.
Yeah, myvolt.com is really nice for counting your KWh used in charging your car ... except that myvolt sometimes misses entire charging sessions, which have to be estimated by hand. I counted 11 missing charge events on myvolt! I get the miles from voltstat's since myvolt misses miles driven even more often than it misses charge events! Voltstat's only has access to the odometer, plus the gas miles. For missing charge events, either I used the car's kwh uplifted by 14%, or I scaled from a day nearby. Right now, 14% seems to be the right number for charging overhead, but it may go up in the summer when the battery TMS cooling adds more kwh overhead to the charge events. Also, I had one chargepoint event that showed up on myvolt, and chargepoint matched the myvolt kwh number exactly. For the gen1 Volt, the myvolt numbers were always 3% low compared to chargepoint.

It helps that I set the Volt to charge overnight, on L2 charging (3.6kw LCS-20), except for sometimes during the weekend. So, based on this data, I'm averaging 0.295 kwh per mile from the plug on my gen2. The EPA 106mpge specfication works out to 0.318kwh/mile from the plug. So you could also just multiply your EV miles, which are available from voltstat's, by 0.318kwh/mile and get a reasonably good estimate of kwh used. But the multiplier will vary from season to season, with the gen2 Volt being most efficient in the spring and fall. L2 charging is probably about 2% more efficient than L1 for the gen2 Volt, according to the gen2 technical paper; http://papers.sae.org/2015-01-1152/ (95.5% vs 94.5%), but the paper doesn't include I^2R losses in the wire outside the car, which are also higher for L1 than L2, so I figure 2% total difference. Anyway, it turns out to amount to a very small amount of money spent on EV electricity.

ChargeStart ChargeEnd TotalChargeTime ChargeResult KWH EvMiles
02/23/17 at 02:46 AM CST 02/23/17 at 04:39 AM CST 1 hours 52 minutes Full 6.77 37.87
02/22/17 at 07:21 PM CST 02/22/17 at 08:22 PM CST 1 hours 1 minutes chargepoint 3.36
02/22/17 at 02:49 AM CST 02/22/17 at 04:43 AM CST 1 hours 54 minutes Full 6.78 25.23
02/21/17 at 02:38 AM CST 02/21/17 at 04:43 AM CST 2 hours 5 minutes Full 7.37 29.94
02/19/17 at 04:23 AM CST 02/19/17 at 04:51 AM CST 0 hours 28 minutes Full 1.53 46.02
02/18/17 at 11:15 AM CST 02/18/17 at 03:06 PM CST 3 hours 51 minutes Partial 13.95
02/18/17 at 03:51 AM CST 02/18/17 at 04:44 AM CST 0 hours 52 minutes Full 2.94 10.07
02/17/17 at 12:53 AM CST 02/17/17 at 04:41 AM CST 3 hours 47 minutes Full 13.79 45.73
02/16/17 at 02:57 AM CST 02/16/17 at 04:45 AM CST 1 hours 48 minutes Full 6.31 25.99
02/15/17 at 02:22 AM CST 02/15/17 at 04:47 AM CST 2 hours 25 minutes Full 8.53 26.39
02/14/17 at 04:14 AM CST 02/14/17 at 04:51 AM CST 0 hours 36 minutes Full 1.98 7.33
02/12/17 at 04:03 PM CST 02/12/17 at 08:30 PM CST 4 hours 26 minutes Full 16.07 55.05
02/12/17 at 02:30 AM CST 02/12/17 at 04:46 AM CST 2 hours 15 minutes Full 8.21 30.05
02/11/17 at 02:43 AM CST 02/11/17 at 04:43 AM CST 1 hours 59 minutes Full 7.03 25.47
missing;estimate kwh/time 02/10/17 at 04:44 AM CST 1 hours 35 minutes Full 5.70 19.75
missing;estimate kwh/time 02/09/17 at 05:21 AM CST 3 hours 23 minutes Full 12.20 46.35
02/08/17 at 02:49 AM CST 02/08/17 at 04:44 AM CST 1 hours 54 minutes Full 6.86 25.97
missing;estimate kwh/time 02/07/17 at 04:45 AM CST 1 hours 56 minutes Full 6.97 26.65
02/05/17 at 03:08 PM CST 02/05/17 at 07:19 PM CST 4 hours 11 minutes Full 15.13 57.03
missing;estimate kwh/time 02/05/17 at 02:22 PM CST 1 hour 0 minutes Full 3.60
02/05/17 at 02:59 AM CST 02/05/17 at 04:43 AM CST 1 hours 44 minutes Full 6.06 19.60
missing;estimate kwh/time 02/04/17 at 05:26 AM CST 2 hours 9 minutes Full 7.75 24.08
02/03/17 at 04:33 AM CST 02/03/17 at 05:26 AM CST 0 hours 53 minutes Full 2.93 11.39
02/02/17 at 04:17 AM CST 02/02/17 at 04:50 AM CST 0 hours 33 minutes Full 1.82 7.30
02/01/17 at 12:59 AM CST 02/01/17 at 04:39 AM CST 3 hours 40 minutes Full 13.37 49.16
missing;estimate kwh/time 01/30/17 at 05:50 PM CST 3 hours 25 minutes Full 12.28 38.13
01/28/17 at 02:15 AM CST 01/28/17 at 04:44 AM CST 2 hours 29 minutes Full 8.82 27.24
01/27/17 at 02:58 AM CST 01/27/17 at 04:47 AM CST 1 hours 48 minutes Full 6.34 20.59
01/26/17 at 03:13 AM CST 01/26/17 at 04:47 AM CST 1 hours 34 minutes Full 5.46 20.62
01/24/17 at 08:01 PM CST 01/24/17 at 08:01 PM CST 2 hours 31 minutes Full 9.14 32.83
01/23/17 at 04:27 AM CST 01/23/17 at 05:12 AM CST 0 hours 44 minutes Full 2.44 43.88
01/22/17 at 01:35 PM CST 01/22/17 at 04:39 PM CST 3 hours 4 minutes Full 11.11
missing;estimate kwh/time 01/22/17 at 05:00 AM CST 2 hours 56 minutes Full 10.55 39.61
01/21/17 at 01:52 AM CST 01/21/17 at 04:37 AM CST 2 hours 44 minutes Full 9.83 37.51
01/20/17 at 02:25 AM CST 01/20/17 at 04:48 AM CST 2 hours 22 minutes Full 8.42 31.61
01/19/17 at 02:26 AM CST 01/19/17 at 04:43 AM CST 2 hours 17 minutes Full 8.08 26.91
01/18/17 at 12:54 AM CST 01/18/17 at 04:45 AM CST 3 hours 50 minutes Full 13.75 41.04
01/17/17 at 03:53 AM CST 01/17/17 at 04:44 AM CST 0 hours 50 minutes Full 2.78 10.46
01/16/17 at 01:45 AM CST 01/16/17 at 04:42 AM CST 2 hours 56 minutes Full 10.55 36.92
01/14/17 at 05:48 PM CST 01/14/17 at 10:09 PM CST 4 hours 21 minutes Full 15.74 67.80
missing;estimate kwh/time 01/14/17 at 04:01 PM CST 1 hours 31 minutes Partial 5.46
01/14/17 at 02:14 AM CST 01/14/17 at 04:40 AM CST 2 hours 26 minutes Full 8.69 31.22
01/13/17 at 03:22 AM CST 01/13/17 at 04:48 AM CST 1 hours 25 minutes Full 4.94 19.87
01/12/17 at 01:34 AM CST 01/12/17 at 04:36 AM CST 3 hours 2 minutes Full 10.99 43.33
01/11/17 at 03:05 AM CST 01/11/17 at 04:45 AM CST 1 hours 39 minutes Full 5.81 24.74
01/10/17 at 03:56 AM CST 01/10/17 at 04:48 AM CST 0 hours 51 minutes Full 2.85 10.75
missing;estimate kwh/time 01/09/17 at 04:52 AM CST 4 hours 1 minutes Full 14.48 39.20
01/08/17 at 04:20 AM CST 01/08/17 at 04:52 AM CST 0 hours 32 minutes Full 1.68 29.31
01/07/17 at 01:53 PM CST 01/07/17 at 04:32 PM CST 2 hours 38 minutes Full 9.34
01/07/17 at 01:37 AM CST 01/07/17 at 04:49 AM CST 3 hours 11 minutes Full 11.50 26.90
missing;estimate kwh/time 01/05/17 at 08:00 PM CST 2 hours 30 minutes Full 9.01 27.30
01/05/17 at 03:56 AM CST 01/05/17 at 05:20 AM CST 1 hours 23 minutes Full 4.71 14.10
01/04/17 at 01:36 AM CST 01/04/17 at 05:15 AM CST 3 hours 38 minutes Full 13.06 46.05
01/03/17 at 03:05 AM CST 01/03/17 at 05:16 AM CST 2 hours 11 minutes Full 7.75 29.32
01/02/17 at 12:52 AM CST 01/02/17 at 05:06 AM CST 4 hours 14 minutes Full 15.37 105.42
missing;estimate kwh/time 01/01/17 at 07:27 PM CST 1 hours 57 minutes Partial 7.12
01/01/17 at 03:33 PM CST 01/01/17 at 05:09 PM CST 1 hours 35 minutes Partial 5.81
01/01/17 at 11:28 AM CST 01/01/17 at 11:54 AM CST 0 hours 25 minutes Partial 1.55
01/01/17 at 12:43 AM CST 01/01/17 at 05:04 AM CST 4 hours 20 minutes Full 15.95 93.68
12/31/16 at 4:00 PM CST 12/31/16 at 7:44 PM CST 3 hours 44 minutes chargepoint 12.53
12/31/16 at 10:52 AM CST 12/31/16 at 11:21 AM CST 0 hours 29 minutes Full 1.53
12/31/16 at 01:50 AM CST 12/31/16 at 05:12 AM CST 3 hours 21 minutes Full 12.01 38.25
 
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