hi, new here. been keepin track of this forum and u guys convinced me to get a nav. picked up my 06 d40 stx today! love it! great to look at and better to drive. heres my problem, went to do a bit of 4wd just to test it out nothin serious, couldnt turn the bloody knob! the dial to select 2wd, 4lo n 4hi. it wont budge at all. i read the manual n it dosent mention anything else it just says turn the dial, says u can do it whilst drivn. wont even move if i take it out of gear. any ideas? any help much apreciayed