What should a driver do if they notice the low air pressure warning?

When a driver notices the low air pressure warning, the appropriate action is to pull over and inspect the air system. This is crucial because low air pressure can indicate a problem with the braking system in a combination vehicle. These vehicles rely on air pressure to operate their brakes properly, and if the pressure is low, the brakes may not function effectively, leading to a dangerous situation on the road.

Inspecting the air system allows the driver to determine the cause of the warning. It could be due to a leak in the air lines, a problem with the compressor, or issues with the air tanks. Addressing low air pressure promptly is vital for both vehicle safety and the safety of others on the road.

Ignoring the warning and continuing to drive poses significant risks, as it could lead to brake failure. Simply checking tire pressure does not address the potential issues in the air system that could affect braking performance. Similarly, resetting the warning light does not resolve the underlying problem and could lead to dangerous driving conditions. Thus, pulling over and inspecting the air system is the most responsible and safe choice.