What action is necessary if a driver has a medical condition affecting their ability to drive?

When a driver has a medical condition that may impact their ability to operate a vehicle safely, it is critical for them to notify their supervisor and undergo a medical evaluation. This step is essential to ensure the safety of the driver and others on the road. The medical evaluation helps to assess whether the driver is fit for duty based on their specific health condition, allowing for appropriate action to be taken. This process aligns with Army Regulation 600-55, which emphasizes the necessity of maintaining a safe driving environment and ensuring that all drivers meet the required medical standards for driving.

While refresher courses or additional training may be beneficial in some contexts, they do not directly address the immediate concern regarding the driver's fitness to operate a vehicle in light of their medical condition. Notification to a supervisor and a proper medical evaluation are foundational actions required to address potential risks associated with impaired driving ability due to health issues.