What do ABS and Brake and DSC lights on mean on BMW X5?

I have a 2001 BMW X5 and on the dashboard the ABS, Brake, and DSC lights are always on. They will not turn off. What does this mean? Is there a problem with my car? If there is a problem how can I fix it?What do ABS and Brake and DSC lights on mean on BMW X5?Go to the dealer and get it checked out. these lights come on when you are driving aggressively. The same thing has happened to a friend of mine Especially for the DSC ( Dynamic Stability Control ) this controls the handling of your car like a traction control.What do ABS and Brake and DSC lights on mean on BMW X5?this means you have a problem with you antilock brakes there not working but you the brakes will work like normal you will not have abs

yamaha atv