phone use

Hello, I’m hoping I can find some help here as I can’t find anything anywhere else. I just bought a used 2011 outback 3.6 limited. It has the Nav and HK audio system. My problem is getting my phone (IPhone xs Max) to connect to the car. Maybe 20% of the time it will connect automatically at...

I guess I will be put in my place but how on earth do you add a pic when on the site on your phone. I use the little picture file icon and it asks to drop it in the box, ok when on a PC but how the **** do you do that on your phone :)