I see other people got the rover working, but once I got in, my only options were to exit, turn it on, or turn left using left click. None of the movement controls worked for me. The LiDAR mechanic was pretty neat, though, I like that part!
Best suggestion would be to make the terrain more detailed, as you are using a LiDAR Scanner on a completely flat surface. I would also suggest some kind of hint that you need to follow the sound to find the rover, as I thought that was something I started next too and not the objective.