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Difficulty: MediumHydroplaning and Wet Road Traction Loss

While navigating a wide highway curve during a heavy rainstorm, a driver feels the steering wheel suddenly become loose and light, indicating that the tires have lost contact with the road surface due to water accumulation. Which of the following represents the safest immediate response?

  1. Ease off the gas pedal gradually and hold the steering wheel straight until the tires regain traction.Answer
  2. B
    Brake firmly and steer sharply toward the inside shoulder of the curve.
  3. C
    Maintain the posted speed limit and activate cruise control to stabilize tire rotation.
  4. D
    Pump the brake pedal rapidly while turning the steering wheel in counter-movements.

Answer

The driver should ease off the gas pedal gradually and hold the steering wheel straight until traction is restored.
When hydroplaning occurs, the tires float on a thin film of water. Easing off the gas pedal without applying brakes allows the vehicle to decelerate smoothly until the weight of the vehicle cuts through the water sheet and tire tread re-engages with the pavement.

Step-by-Step Solution

1
Recognize the condition
Identify that the light steering feel signifies hydroplaning (loss of tire traction on water).
Recognizing hydroplaning prevents counterproductive panic reactions like slamming the brakes.
2
Control speed without braking
Smoothly remove foot from the accelerator.
Gradual deceleration allows tire tread to push away water and re-establish physical contact with the road surface.
3
Maintain directional stability
Keep the steering wheel pointed straight in the direction of travel without sudden wheel turns.
Turning the steering wheel while tires are separated from the road will cause a skid as soon as traction returns.

Key Concept

Hydroplaning Recognition and Recovery
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Topics

Hydroplaning and Wet Road Traction Loss

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