What action should be taken if a vehicle has a stuck pedal?

If a vehicle has a stuck pedal, the most appropriate action is to turn the engine off and shift to Neutral. This response is crucial because it allows the driver to regain control of the vehicle's speed and direction. By shifting to Neutral, you disengage the engine from the wheels, which can help stop the car from accelerating uncontrollably. Turning off the engine can further prevent the vehicle from exceeding speeds and allow the driver to steer the vehicle safely to the side of the road.

Pressing the pedal harder, as suggested in one of the other options, would only exacerbate the issue, potentially leading to a more dangerous situation. Switching off the radio might help with focus, but it does not assist in resolving the immediate mechanical problem. Panicking and braking suddenly could lead to loss of control or a collision, making the situation more hazardous. Overall, turning off the engine and shifting to Neutral is a safe, effective action to take when faced with a stuck pedal.