I had an issue some years ago on my wife's CRV. We had to replace one tire. I didn't get it from the dealer, so not OEM. The car kept pulling to one side even though the alignment was fine. Turned out that, and I don't recall which was which, but either the OEM or the replacement had a "P"...
This was for my 2016 Accord coupe, but it is probably the same. You don't have to remove the mirror or the trim. Just the screw behind the weatherstrip. The garnish also has double sided tape. SO, basically once you remove the screw just pry tool to peel it off. When you put the new one back it...
You may be able to get the tires rotated by your dealer under the Service Pass. Also, from a tire site, " The tradeoff with negative camber is that it'll cause the tires to wear down faster and it will take more effort for the vehicle to reach its top speed, making it less efficient. "
There should be a grommet in the upper left side footwell. Maybe for the hood release or other wiring. It should get you in behind the wheel well cover, then up through the top of the fender to the battery