Plot your chosen route by drawing it on, just like you would do with a traditional paper map.
I mostly know how to get where I'm going, except for the last 200 yds.
So, what I currently do, is to programme in a destination, then ignore the sat-nav until that last few streets.
But if I'm mid-journey (on my chosen route) and I hit a big delay or something, I have to try and read my paper map to get me a decent alternative "cross-country", then get back to actually heading towards my destination.
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