With DVD player on hit the button on steering wheel to change source. It will come on thur speakers. Screen will show turn off turn off front back or all.
it should be a 20 amp and can be pulled out with a tool from a fuse kit or a needle nosed pliers.. in some cases a key tip can remove it but the right tool makes it easier..
put a circit breaker in place of fuse. use a regular compass and run the compas around wiring and if compas moves thats where the short is within 6 inches. shorts create a magnetic feild
This system is an electronic stability control system (traction control) it is not something that can be fixed or diagnosed without specialist test equipment.