Mine works as you describe--with a trailer connected, turn signal activates camera on that side, displays on screen. I don't remember having to enable anything in settings, seems like it just worked. (2024 XLT)
My truck (2024 XLT PB, built in Nov 24) received ECG-24.2.5.6.2 yesterday afternoon. First update it has received since we drove it off the lot end of December.
Have this same issue on a XLT built in November. I saw someone from Ford replied to this thread when it first started; is there any news about resolving it.
Thanks for any info--