...that was the absolute first symptom I had with my '07 when my ignition first let me know it was ill.  However, I was in 4th going into 5th when it happened, although, it came back to life before I had a chance to pull over.  It only did that once.  Then came the, "Hey, my lights won't turn off", followed by the game of "mystery start", when I was never sure if it was going to start.  Triumph replaced all locks under warranty.