My 2002 ford explorer is stuck in 4 wheel drive. I've tried everything to get i

KEY ON... Tap transfer case shift motor lightly with small hammer or tool to see if it will shift then... Best done while helper pushes button.

"Start engine with the shift lever in park, Operate the selector switch to the correct position, then after selector switch has been placed in correct position, slowly back in reverse for about fifty feet. You should feel the shift when it occurs. Occasionally, you may have to do this several times. If it does not shift correctly, place back in park, turn engine off, climb under vehicle and make sure there are no foreign objects blocking any levers or paths. (might want to spray a little WD40 on everything while beneath there. Then, try sequence again. Sometimes You simply must be a bit more stubborn than the problem is!