Okay...who wants to know what about what?..and PLEASE, be very specific: I can't fix/explain it if I don't know where your confused.
Frist off, the traction control system, aka TC, is ALWAYS ON. There are no buttons, it's automatic and your vehicle will 'scan' the system for proper function when you fire the rig up (just like it does the airbags).
Traction control funtions in all transfer case modes. Should slippage or loss of traction be detected at any tire, the traction control system acts to moderate the slippage of that one particular tire that would otherwise be spinning-free. This feat is accomplished by means of brake being applied to that 'loose' tire. This braking action (similar to anti-lock braking)prevents the slipping wheel from 'sucking up' all the torque being delievered to that axle...the power is directed towards the other tire that does have traction...forward momentum and control are greatly enhanced!!! Oh my gosh does this system rock!!
The Traction Control System's parameters are enhanced (altered) when the TC2 button is actuated. It's the very same system, just a modification to allow for greater slippage. You can think of it almost like a dimmer or delay. By allowing a bit of slippage, the tire is given an opportunity to move some of the loose debris and (hopefully) make some headway when in snow, mud or loose sand. It's also a good thing in the right way.
There is NO SUBSTITUTE for experience. Get out and play with your rig...you must get to know it 2nd nature and thoroughly. More questions?
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