I have a 2001 LS 4x4 with the 4 button system with the auto 4wd. The light in auto 4x4 and the 2hi buttons are always on and can't get the auto button to go off and the front driveshaft is always turning even in 2wd. Any one know what is causing this and is there an easy way to defeat this till I have more time and money to deal with it. Would appreciate any help.