My LR4 has diff lock display and truthfully I never look at it while negotiating a trail or wheelin. Why would I? You should also have already selected your 'Terrain Response' mode. Your eyes should be on selecting the best path, not watching your technology info. If the trail gets challenging you shouldn't even be looking at your info display, period.
You should have already walked the trail, made the decision that the side slope is too great for your COG (realistically you don't know your COG and when you are going to exceed your roll over point as roads are dynamic) and planned around the obstacle. I had a bubble gauge in my Scout. Rarely looked at it other than confirming what I already knew. Did the gauge help me make a decision? No, not at all. Guess what was more important. Where the vehicle track was relative to the trail which requires eyes ON the trail and maybe a spotter.
As for wading, walk the river. Seen several outcomes of people who didn't walk the river down in the gulches along the Platte. One Toyota Forerunner decided to take a different path across the river and dropped his front end into a hole. Hours of work and blowing out cylinders later ........... A wading depth gauge would have not changed the outcome as it would have been too late. Another was a Jeep that floated downstream, resting up against a large boulder. Guess what, tires are flotation devices. Again, poor judgement that any 'wading depth' info would not have prevented. Actual safe wading depth is beyond simple on-board sensors. Those sensors are really rear view mirrors.
Victory_Overland noted that LR's info is worthless and it would be much more useful if IIDTool like information was available. I would go one step further and add detailed weather, alerts, etc. Case in point was the couple who forded a river in the morning and when returning the river was much higher due to precip and snow melt. Swept away and the passenger lost her life. LR should be partnering with suppliers of ham radio systems to define interfaces that support standards and rely information. Why? Because I can guarantee you that in the mountains your cell phone or any navigation system reliant on cell technology will be dead on the trail.
I'm not advocating staring at your display as if flying an airplane on instruments. It's an "at a glance" confirmation, just like your bubble level, which you yourself used in exactly the same way as I'm saying you use the tech built in to the Land Rover. Of course you walk your course, but you most certainly do NOT walk a moving river without safety devices in place - six inches of moving water will sweep a human off their feet. You only ford clear, moving water where you absolutely know the depth and the path already, ideally at established, mapped fords. And as I said, in moving water under a 5,000 lb vehicle, the bottom shifts and moves, and what seemed like a good 2-1/2 feet can quickly turn into a bad 3+ feet if a wheel flips a rock under water in current. Yes, tires are flotation devices, and that's precisely why the Discovery and likely the Defender are limited to 900mm in practice (933mm in testing in still water) - because any deeper and it floats, per Land Rover.
Again, you can eyeball a slope, but without your own inclinometer it's a guess at best. If your Mark 1 Eyeball estimated an incline at 30 degrees and you get to the approach in the vehicle and it's indicating you're at 30 degrees before you get to the steep part, then you need to stop and have a think before you go on, so no, it's not a "rear view mirror". The squishy part between your ears needs hard data as well as experience to make the best predictions forward in time and space.
Finally, there are many 3rd party devices such as Garmin InReach that are available for summoning assistance and staying connected in the Backcountry - if you're not bringing these with you then, well, that's on you. Would I love to see that integrated in? Yeah, that will be great when Starlink finally gets up and running at the price points they claim they'll hit, but for now, a cell phone sized device that lets me text Pole to pole and in tripke-canopy jungle is good enough for me.
Done debating technology's merits, that was covered in the other locked thread ad nauseum.
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