Nissan Armada Four Wheel Drive Light

Hi Sir, I Was Driving My Vehicle In 2wd In D Position Suddenly The 4wd Engaged, I Stopped The Car 4wd Light Was On But Vehicle Was In 2wd....

I Have Read And Read And Could Not Seem To Find An Actual Solution. Last Night My Vdc Off, Abs, Slip And 4wd Lights Came On. Pulled Over At...