There's a quick video about the On-Cammand 4WD system here:
https://www.youtube.com/watch?v=guZ3WZpsq9Q
Basically, yes, you have the control of switching between 2WD, limited-slip 4WD and fully locked differential 4WD.
https://www.youtube.com/watch?v=guZ3WZpsq9Q
Basically, yes, you have the control of switching between 2WD, limited-slip 4WD and fully locked differential 4WD.