This problem is driving me crazy.
I was on a drive to see the in laws a couple of months back and these lights all lit up together when on the motorway. I stopped the car at services and when I restarted it the lights were gone. A quick search of the forum revealed problems with the brake sensor so I cleaned the contacts and thought no more of it.
100 miles (several weeks for me) later and the lights all reappeared when I was approaching a junction. I decided to replace the brake pedal s