WHEN ON A SLIPPERY ROAD AND YOU ARE APPLYING MODERATE BRAKE PRESSURE AND THE ANTILOCK BRAKES ARE ENGAGEING AND YOU HIT MULTIPLE BUMPS OR POTHOLES YOU HAVE A MOMENTARY LOSS OF BRAKE PRESSURE AND BRAKING ACTION UNTILL THE BUMPS STOP OR YOU PRESS THE BRAKE DOWN FURTHER AND BRAKING IS RESTORED. I HAVE HAD THIS HAPPEN ON SEVERAL OCCASIONS AND ONCE IN OUR PARKING LOT A VEHICLE WAS STRUCK REQUIREING $1200 IN REPAIRS.