If I recall correctly, in the GX460s with MTS, it will allow sand/mud in 4HI where as in the 2013+ LC/LX to 2015, you can only use MTS in 4LO (that means sand/mud is also 4LO only on the 2013 to 2015 LC200). I am not sure if the 2016+ LC/LX allow sand/mud MTS mode in 4HI. I will let the folks...