My legacy BF3  EJ18, YOM 91 had red showing on the battery, stop lamp and antibrake locking.  The Radio went off and won't turn on , but the car still runs ok.  What could the problem be?

The alternator is failing

Right, alternator isn't producing enough voltage to keep all of the electronic parts happy.

Check alternator and battery connections, charge the battery, and have the alternator tested ASAP. When those lights come on you're about to get left on the side of the road.

Either the voltage regulator in the alternator is failing, or charging wire off the back of the alt has a bad connection.