Is it possible for a car to stop suddenly on the road if cap of power steering fluid has fallen and container is open?

It is unlikely that a car would suddenly stop on the road if the cap of the power steering fluid reservoir had fallen off, and the container is open.

The power steering system assists in turning the wheels of a vehicle, making steering easier. While a loss of power steering fluid can make steering more difficult and require more effort from the driver, it typically does not cause the car to stop suddenly.

However, if the loss of power steering fluid is significant, it can eventually lead to a complete loss of power steering, making it challenging to control the vehicle, especially at low speeds or when making tight turns. In such a situation, the driver may need to apply more force to turn the steering wheel, which could potentially increase the risk of an accident.

If the power steering fluid level drops too low, it may cause the power steering pump to overheat and fail. This could lead to a complete loss of power steering, making the car hard to control, especially at higher speeds. In this scenario, it is important for the driver to remain calm, reduce speed, and come to a safe stop as soon as possible.