What is the Yellow symbol with exclamation point in middle?

The yellow symbol with exclamation mark in the center is simply a warning light indicating that one or more of your wheels are spinning and have lost traction, the light goes on to tell you either:

1. You have lost traction and the car is working to coorect it (by reducing power to the dif or applying brakes)

2.The car has lost traction and you need to correct it