What may happen if a driver with ABS removes pressure steadily from the brake pedal or pump the brakes too hard during an emergency situation?

• The ABS will engage more effectively.
• The ABS will disengage or turn off.
  Explanation:

  "If the motorist with ABS removes steady pressure from the brake pedal or pumps the brakes, the ABS will disengage or turn off."
• The vehicle will come to a sudden stop.
• The steering will become more responsive.