Firmware v17.29
I'm trying to create a route from existing trail systems nearby by doing the following.
From my MTB profile screen, Navigation -> MTB Trail Navigation -> Select a trail network -> Put pin on start location which is the trail head -> Difficulty I select Easy-Extreme -> Distance 30 mi (well over the length of the trail system). I get different results.
Sometimes it gives me the fire road that leads to the trail head. Sometimes it just adds one loop instead of the 2 loops that make up the trail system. Sometimes it adds the other loop.
Also when calculating a route, it shows "Calculating Route 1" then "Calculating Route 2", but only shows Route 1.
For now I'm doing this on familiar local trails so I know if the unit is giving me (or not) what I ask. But I plan to do this exercise on non-familiar trails so I need it to work.
So what's the secret?