I don’t know the cause, but it sounds like my old Ranger when the HVAC blend door would stop working due to a plastic piece breaking. In that case it stuck so the cabin only got heat. Could be similar, but again, I don’t have a HVAC diagram or anything.
I'm not a mechanic, but in order it seems that
--mostly electrical issues
--should be under warranty
--dealer should fix it.
That doesn't make it better, but sounds like the bottom line at this point.
Hope it's a relatively easy
A: reflash of some sort
B: ECU software "fix"
C: fixed with...
I just have a general feeling that most new vehicles come with cheaper tires, so it might be that your first set of tires won't last a real long time. Beyond that, I agree that every driver should check their own tire pressures and wear. It's very simple.
I’d think the contract should have the details you’re looking for on early changes. Not the same issue, but I had a Honda dealer tell me my new hybrid Accord comes with one free oil change, but that they wouldn’t change it till the monitor said 0%!
Very glad you are OK. Medically, be sure to follow up and watch for any symptoms that show up later. I'm not a doctor, but I learned that concussion symptoms usually take say 24 hours to show up.