Ford Ranger Stuck In 4 Low

Now i tried driving fast in reverse and forwards also tried disconnecting the battery and still the light wont go out and it is still in 4 low. I'm no mechanic and don't have much.

Web 2004 ranger 4 wheel drive, 50000. Shifted into 4 wheel drive low, will not come out of 4 wheel drive low once. Web i drove into a ditch used 4 wheel low to get out, once i got out i was stuck in 4 low.