If brakes fail on a long downgrade, the driver should:
Answers
Turn the vehicle off and then back on to reset the brakes.
Pump the brakes.
Look for an escape ramp or other way to stop.
The Correct Answer and Explanation is :
The correct answer is:
Look for an escape ramp or other way to stop.
Explanation:
When driving on a long downgrade, the risk of brake failure increases due to the excessive heat generated from prolonged braking. Brakes can overheat, lose their effectiveness, and potentially fail, which is why it’s crucial for drivers to be prepared with a proper emergency response if this happens. One of the best safety measures a driver can take is to know the location of escape ramps and emergency stopping areas on steep downgrades.
Escape ramps are specifically designed for situations where a vehicle’s brakes fail. These ramps often have a gravel or sand bed that helps stop a vehicle by creating friction, or they may be equipped with a run-off area that safely decelerates the vehicle. When approaching a downgrade, especially one with a long and steep slope, drivers should stay alert and identify any escape ramps or safety zones that may be available for use.
Pumping the brakes, while sometimes suggested for certain types of brake issues (such as air brakes or ABS failure), is generally not effective in a situation of complete brake failure. In fact, repeatedly pumping brakes may exacerbate the problem by causing the brake fluid to overheat or by creating a false sense of braking control. Turning the vehicle off and then back on to “reset the brakes” is not a feasible or safe approach. Modern vehicles are designed with safety mechanisms that prevent this kind of action from addressing a brake failure effectively.
In the event of brake failure, a driver should:
- Stay calm and avoid panic.
- Shift the vehicle to a lower gear to reduce speed gradually.
- Use the emergency (parking) brake, but do so cautiously to avoid skidding.
- Steer into a safe area, such as an escape ramp or shoulder, if available, to bring the vehicle to a stop.
By following these steps and knowing where escape ramps are, drivers can significantly reduce the risk of an accident in the event of brake failure on a downgrade.