Autofollow on high speed is randomly stopped mid-trip. I've only seen it doing this after loading ambitions. It is the only thing I've noticed wrong so far.
Haven't noticed that yet. I always go to high when my firefighter responds to an emergency, and it follows them all the way, so far.
My computer might be the issue there. I have to run the game at minimum graphics and while the view will occasionally follow my sim all the way to the location, it seems like it would much rather abandon the idea halfway through.