In addition to "Keep map north up" on or off (the only options I see currently), I'd like an option that does an offset to navigation direction (map north up "off") where it tries to fit more of the road ahead on the screen.

I regularly drive curvy roads and it shows me no warnings ahead on the highway when the road just curves left or right straight off the screen. What I'm suggesting would not keep North up, but keep the road ahead up and on-screen more often. This is probably more helpful on highways than in towns, so it seems like it should be an auto-on/off feature for highways or rural areas (outside of towns/cities), maybe when travelling over 30mph.