Re: Noise in "Snow" mode
It seems like there is some proactive locking of the front the front diff in snow mode. I've noticed when starting out and making a sharp turn there a little bit of hop/movement typical to what you'd feel when you put a 2wd vehicle into 4wd and take a sharp turn (aka, not meant to be in 4wd except on slippery surfaces, although this is much milder).
That tells me that at low speed with only semi-covered or wet surface you might feel some binding in the drive train as a result of the wheels traveling at different speeds and snow mode changing how it sends power/handles the diff, although I am not sure if that's your situation..
I don't actually know what snow mode changes in the drive train so I am just making some assumptions here.
2014 Overland - Granite, Hemi