My car selects my partner’s profile every single time, when she’s a passenger, and most of the time when I’m alone in the car and her phone is in the house. My phone was set up first, is set as priority in settings - makes no difference. I think it might be happening because she drives it more often, but secretly think the car is trolling me.
This is the exact behaviour I was seeing. Do you both use the same Tesla account by any chance? I don't seem to have the issue anymore since creating a second Tesla account.