VW claims the reason for limiting the regen braking is to limit chance of rear tires sliding in poor weather. Does the AWD version provide regen braking on both front and rear axles and therefore regen braking could be stronger in the AWD version?
AWD regen
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I have not yet seen anything saying yes or no when it comes to regen. There has been very little info the AWD system other than 301 HP and a driver mode called Traction. Which is described as this:
Traction: distributes the drive power equally between the front and rear axles and adjusts the running gear to a softer setting. The Traction driving profile is available only in vehicles with all-wheel drive.
The lack of any real info on the AWD system makes me very surprised that people that ordered an ID.4 with AWD early are already at Step 3 of 7. Would be nice to know all the little system details and EPA range since they would have been testing the system for sometime now.
I hadn't heard of the "Traction mode" before. I have a feeling that folks will still be finding new 'tips and tricks' to these cars for months after owning them.
This also implies that the shocks have some adjustment to them. I thought the US vehicles were not going to get that option, only EU vehicles.
Is this also for the US version?
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Not sure since as far as I know no one has seen the US manual yet.
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The demo ID.4 from back in December looked to have two settings for suspension sport and comfort. Not sure if anyone who has driven the FE the past few days can confirm that is still shown in the custom settings menu.
Guess we will find out in a week or so when folks start picking up their cars.
Having owned an i3 for over 30,000 miles, in the snow belt, I can say that when roads are snow- or ice-covered, the rear-only regen can at times be a bit unnerving. Also, the stability control in the i3 will cut the regen as soon as the stability control is triggered, you hit a bump, etc. Throw on a couple extra thousand pounds, I can see how it would be a concern about the ID.4. Not sure if that's really why VW didn't build in one-pedal driving. For what's it's worth, the ID.4 does have very strong regen, it's just activated by the brake pedal rather than being automatic as you lift the accelerator pedal.
I know that people with other cars back off the regen setting when the roads are slippery. But it would be easy to forget, and rookie EV drivers wouldn't know to do this.
On a related note, is there any graphic on the ID that tells the driver when brake pedal application is regen and when it is friction or blend? Would be helpful for optimizing efficient driving style, and interesting to watch in slippery conditions.
When I drove bus we always turned off retarder in slick conditions for reasons mentioned above.
When I drove bus we always turned off retarder in slick conditions for reasons mentioned above.
See this is what really confuses me about it, what I've seen about the ID.4 regen from the brake pedal (0.23g max I think) looks nearly as strong as the Bolt's maximum (0.26g) which is nice and strong, but then the regen in ID.4's B mode from just lifting off the accelerator is limited to like 0.13g or something super weak. Why? Why can't you get the same strength both ways?
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You certainly could, but they have set up this limit in software. I think their theory is that slowing down too heavily from lifting your foot off the gas will be too surprising to drivers. Slowing down heavily when pressing the break is expected though.
From what I can make of the manual, while in "B" position, letting go of the accelerator has limited regen, however, even in "B", pressing the brake pedal will increase the regen (my assumption is with the brake pedal pressed, the regen would be the same in "D" or "B"). Here is the language from the (European) manual:
- Position D engaged and ECO assistance deactivated: no brake energy recuperation.
- Position D engaged and ECO assistance activated: automatic brake energy recuperation. The energy recovery level is selected automatically depending on the navigation data and traffic situation.
- Position B engaged: high brake energy recuperation
- The vehicle also performs recuperation when the brake pedal is pressed.
It's just really stupid to me that they won't just bury an option deep in a menu and/or even behind a big scary warning screen.
I wonder if heavier levels of regen just when lifting off the accelerator could be enabled via VCDS or OBDeleven...
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I am not sure if you can use vcds to change any settings as of yet. Some new security stuff got added to the newer cars. Worth checking with Ross-Tech first before you spend much time on it.
VW has talked a lot about the ID.4 being a gateway for ICE drivers to the EV world. Because of this I suspect they tried to make the ID.4 as "normal" as possible while still signifying that something interesting is about, and I think this comes down to function, too. For those new to EV's, driving the ID.4 will largely be just like driving a similar ICE vehicle. I mean, we're talking about the most competitive segment of vehicles in the U.S. and many other countries. So having to hit the brake pedal to slow or stop the ID.4 is super intuitive to people who have been doing just that since learning to drive. Having the ID.4 coast when lifting off the accelerator pedal is expected behavior coming from an ICE.
The only thing I wish VW did differently was not having a setting to enable one-pedal driving. Driving our i3 for years, I quite liked the one-pedal driving (except in traffic when it would've been nice to have the car coast without me having to maintain pressure on the accelerator pedal). My husband, on the other hand, didn't like it and wished it would just coast. To quote him, "if I want to stop I'll hit the brake pedal like every other car." No joke, his words. He of course became accustomed to the i3's one-pedal driving, but he still preferred it didn't have it.
All of that said, the lack of one-pedal driving in the ID.4 is not a deal breaker for me, not in the least. In fact, I'm intrigued by the "intelligent regen" or whatever VW is calling it that occurs in D mode.
Yeah this is what I'm saying, there just really should be an option. They already have a B mode but it seems nearly useless if you can't actually have 1 pedal driving with it. I'm not saying at all that they shouldn't have a "default" mode that caters to ICE drivers with coasting etc, but it doesn't make sense to me to not have an option that caters to EV enthusiasts who want 1 pedal driving.
Its also more efficient as VW talks about in some other threads here. I think the intelligent regen they are doing is great will keep getting better with future updates. It uses the sensors to know how far it is to other cars ahead and adds stronger regen as needed (even when not in a cruise mode, just by letting off the go pedal.) It adjusts the amount of regen based on amount of brake pedal press up to 0.25g force before it starts to apply friction brakes. I agree the AWD will easily allow more regen. Most aspects of the amount of regen also could be OTA updated!
Here is a good article about Intelligent Regen a Part of the New VW ID.4
A fun anecdote related to this topic, especially in light of some of the discussion about VW wanting the ID.4 to be like ICE vehicles in the same class in some respects. One of my other cars is a MINI. I was perusing one of the MINI forums just now and came across this thread in which someone test drove a Countryman SE, which is the PHEV version of the Countryman. This person got motion sickness while driving and couldn't figure out why and it turns out, it's because he was expecting to drive the Countryman SE like an ICE car and in fact, it has one-pedal driving and he was making himself sick every time he lifted off the accelerator.
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