What investigation is conducted on vehicle headlights during inspection?

During a vehicle inspection, checking the headlights for misalignment and functionality is crucial for several reasons. Proper alignment ensures that the light beam illuminates the road adequately and does not blind oncoming traffic, which could lead to hazardous driving conditions. Functionality means that both low and high beams are operational, ensuring that the driver has the necessary visibility for safe driving during nighttime and adverse weather conditions.

Assessing misalignment can prevent accidents and enhance overall road safety, as headlights that are aimed improperly can either fail to illuminate the road adequately or create glare for other drivers. Therefore, this investigation focuses on both the correct adjustment of the headlights and their operational capability, which is vital in maintaining vehicle safety standards.