What is the fastest way to stop an ambulance equipped with Anti-lock Braking System (ABS)?

When stopping an ambulance equipped with an Anti-lock Braking System (ABS), the most effective method is to depress the brake pedal and keep it applied steadily. This technique allows the ABS to function as designed. The system works by preventing the wheels from locking up during braking, which maintains tire traction and allows the driver to maintain control of the vehicle while bringing it to a stop.

When the brakes are pressed and held down, the ABS automatically modulates brake pressure to each wheel, helping to prevent skidding and allowing the driver to continue steering. This is particularly important in emergency situations where stopping quickly while remaining in control is crucial.

In contrast, gently pumping the brakes can deactivate the benefits of ABS, leading to potential loss of control. Applying the handbrake immediately could cause the rear wheels to lock up, especially on slippery surfaces, resulting in a skid. Steering into a skid is an important skill for managing loss of traction but does not directly relate to the fastest method of stopping the vehicle. Hence, keeping the brake pedal depressed is the most effective approach when dealing with an ambulance equipped with ABS.