I'm on app version 1.36.0 and software V2.3 in my car and I don't have that option. What versions are you on?

 

V3 in car, and I think 2.2.15 app

 

I have that on the Born, not sure what its for just not got round to trying to search, the app for the Born says it's about using the HV battery to ensure all of the remote features continue to work rather than the car disabling them if the 12v is low (I assume).

Could be related to things like being able to lock/unlock and other features like that, ensuring that there is always power available to do it (which are currently unavailable for the Born)?

 

If you turn on this setting, it automatically defaults your charge limit to 80%. You can still charge to 100% (or whatever you choose) by setting the charge limit manually, but after that charge it will default back to an 80% limit. The idea is to stop you "accidentally" charging to 100% all the time. HV battery damage can occur if you leave the car at a high state of charge for an extended period. I'll be honest, I've no idea how long the 'extended period' is before damage can occur but I time my rare 100% charges to finish within 30 minutes of leaving to avoid this scenario.

 

If you turn on this setting, it automatically defaults your charge limit to 80%.

I've seen that battery saving option, and turned it on, but it's different to this I believe.

 

I tried the "optimized battery" in my ID3 yesterday and charged the car last night to 80% and it is now showing only 103 miles of range. Something isn't right here. What a surprise! Without this set, I was getting around 170 miles in this weather. And now it won't turn off.

 

You referring to the app? If so that's hardly ever right and can be ignored.

 

I recently came across, via the ID Facebook group, a good explanation of this on the German meinid forum where they have one or two posters who post in a personal capacity but work for VW. A rough summary is:

The HV tops up the 12V when low regardless of whether this setting is selected, unless the car is faulty. The car will not allow the 12V to run low. This has been the case since early software updates (possibly 2.0 I think)
However, as well as the 12V having a total capacity, it also has a programmed energy 'budget' for each ECU. So if one ECU is taking too much power when the car is off (eg if you have walked past the car and activated keyless entry lots of times) the budget for that ECU may run out and the software prevent it from working. However, if you have selected this option that ECU's budget will be reset and the HV battery used to top up the 12V accordingly, even if total 12V energy content is not low. The function can then continue to be used. If optimised battery use is disabled, and in previous software versions without the option, I understand budgets are reset when the ignition is switched on.
It seems a niche use case to me, but if some function in your app or keyless entry isn't working, it might be worth turning on.


The 80% limit referred to above is called Battery Care mode, that's a different thing.

 

I recently came across, via the ID Facebook group, a good explanation of this on the German meinid forum where they have one or two posters who post in a personal capacity but work for VW. A rough summary is...

Thanks, that explanation makes sense. It's nice to know how things work as it makes life easier when you're trying to work out why they've stopped

 

Never had this problem with my app (on a Google pixel phone). It works well 😮
Range always matches what the car says. It was a bit flaky when I first got the car but since a spate of app updates in spring/summer it has worked reliably, and the extra functions with 3.0 OTA all work well. The only ongoing problem is that the function to send a location to the car is still too slow to be useful.

 

Ok. So my app is on an iPhone.
Interesting you mention extra functions with 3.0. Such as? Or maybe again the IOS app isn't as good.

 

Even on iOS, folks seem to have different things going on in the same app.

My app doesn’t have the padlock at all? 🤔

 

So if you had to choose to keep only one of your EVs, would it be the ID4 or the M3?

 

Something is wrong in the latest firmware on MEB, we get the same issue on the Enyaq. App used to show the right mileage, but since we had our ME3 upgrade the car does not phone home to give updated distance, only when you get in the car and 'start' it does it phone home and the app updates. We also see discrepancies in iOS and Android, quite often features are in one and not the other!

 

From reading various posts here, I get the impression that a Tesla is a computer on wheels, whereas other EVs are vehicles with a computer. Don't get me wrong, I'm not slating any vehicle and have no Tesla experience, just my own thoughts.

 

I quite like the idea of a used standard range model Y to replace my Octavia in a year or two if the prices are sensible, but if the ride is as bad as people make out my family would kill me. I heard rumours they were supposed to be improving it (think they came from a Musk tweet!) so interested to see what comes out. Although Musk himself also puts me off a lot.

Funny how we have got from the specific meaning of an option in a VW app to the pros and cons of Teslas.

 

“ Funny how we have got from the specific meaning of an option in a VW app to the pros and cons of Teslas.”
Not funny really. That was my fault. Apologies for highjacking the thread.

 

Apologies from me too, for following up.