There have been one or two queries lately in car forums regarding the 4x4 system used in various manufactures SUV vehicles.  And demonstrations hat show that some systems are not as good as one would like.  So, im the Skoda Karoq in 4 wheel drive if you put one wheel on a roller simulating ice would the vehicle be able to drive off and would it drive off if both wheels were on rollers.  The reason I ask is that there is a demonstration around which shows of the cars tested, the Karoq was not one