Hi all, I have recently purchased another santa fe. My previous one was a 2006 model, I have owned a sorento in between and now have a 2013 2.2 diesel 7 seat auto. I felt dissapointed this weekend with the four wheel drive capabilities. My caravan was on levelling ramps and I needed to pull it off, we were on grass. I put the car into drive and the front wheels just span like hell and no sign of the rear wheel rotating. I pressed the diff lock button, the dash symbol lit up but still no rear wheel movement. Is there a problem with the car? Many thanks.