It's not from a prototype batch of Leaf's.
1. Manufacturers don't release prototypes to the general public, they can't be certified easily - they get donated to museums or crushed. Too much hassle/liability.
2. Leaf Gen2 was 2017 and your supplier stated <2yrs old. So aside from point 1, your vehicle isn't older than August 2019??
Nissan got alot wrong with the Leaf Gen2 - talk about clutching defeat from jaws of victory.
Who said it's a leaf? made by a company in the same group so maybe shares some problems, and I won't be touching another car from any of the group.
I am aware that manufacturers do not release prototypes - not intentionally but this car always felt very odd and unpolished. The replacement car is very different in control and so much better, in fact perfect but registered just one month later. So either a major update happened right after the first one was produced or something has gone wrong. There is a difference in the default instrument panel layout compared to all the ones I see in reviews. I have come across a review of the same model on youtube that unlike all of the others has the same instrument layout as the first car I got. Coincidentally the reviewer described the poor usability of the brakes exactly the same way I would on that car.
The replacement has very different brake behaviour as it does accelerator behaviour. My limited knowledge of how these things work is that one does not just get up one day with a bee in their bonnet to "fix that pesky accelerator and brake". It's something that would have been carefully considered with management approval and external bodies would need to be notified of the changes after retesting.
When I worked on a radiator cooling fan speed controller (glorified signal generator) at my last job it was a mammoth task for a company that had never gone for VCA registration to get that approved by the VCA due to the paperwork, FMEA and having to submit design and BOM information. Even a change in software has to be notified we were told.