Hello guys! I hope somebody can help me. i have a range rover year2003,with mkIII navi.i wanted to upgrade the firmware,but done it with cd written in wrong mode(not in MODE2). now i cant use navi and radio.television works.i tried with many version,but couldnt bring back the navi.i put cd in,hear it is reading,then it drops out the cd.Please help me,what can i do?