Georgia Commercial Driver License Practice Test

How can you regain control of the brakes once the low air pressure warning comes on?

1. By speeding up

2. By using the parking brake

3. By engaging the emergency brake

4. By stopping right away

The correct answer is: By stopping right away

When low air pressure triggers the warning signal, it signifies that the braking system is potentially unsafe and may not function as intended. The appropriate response in such a scenario is to stop the vehicle safely and immediately. This action prevents the risk of brake failure, which could lead to loss of control over the vehicle and a serious accident. Maintaining a safe distance from other vehicles and adhering to traffic regulations is crucial when stopping. It’s essential to prioritize the safety of yourself and others on the road. Once the vehicle is stopped, it becomes possible to assess the brake system and check for the cause of the low air pressure, allowing for necessary repairs before driving further. Speeding up or using the parking brake could worsen the situation, as could engaging the emergency brake in a manner that does not allow for a controlled stop. Stopping right away is the safest option when a low air pressure warning arises.