RE the rear ergonomic brake lever adjustment: there is a threaded adjustment push lever with three nuts on it. You don't need to worry about the bottom one below the bracket as you can't get to it anyway. The nut in the middle holds it in place. The first thing you do is loosen it. Then, what worked for me was turning the top nut which grabbed well enough to rotate the threaded push rod. (I needed to move the brake lever down because I'm tall, you can go the other way). When you have it where you want it, snug the middle nut back down onto the bracket.
* the tricky part is that the top nut of the three triggers the electronic braking sensor. And after I made the adjustment the sensor was constantly activated. I know I moved it down below where it previously was, but still the sensor was constantly activated. I was stumped. Finally I just kept lowering it and lowering it and lowering it almost down to the middle nut itself, even though I was afraid it would pop loose of the rubber boot. And finally the sensor unstuck. And I was able to move it back up again to the proper location. So you need to have the ignition key turned on, and be pressing the lever to test whether you are engaging the brake lights or not.
TLDR: the rear brake light sensor can be sticky and needs patience and wide levels of adjustment before behaving normally.
