What happens if the air pressure drops too low while driving?

When the air pressure in the braking system drops too low while driving, the effectiveness of the brakes is compromised. Air brakes rely on a specific level of air pressure to function properly; insufficient air pressure can lead to increased stopping distances, reduced braking power, or even brake failure. This creates a significant safety hazard as the driver may not be able to stop the vehicle in time to avoid a collision or accident.

Maintaining the correct air pressure is crucial for safe vehicle operation, particularly with heavy vehicles that utilize air brakes. Thus, if air pressure falls below the required threshold, brakes may either fail to engage or not apply enough pressure, leading to inadequate stopping power when necessary. Understanding this critical element of vehicle operation ensures that drivers are equipped to manage their braking systems effectively.