During a vehicle inspection, how is compliance with light regulations verified?

Compliance with light regulations during a vehicle inspection is verified by visual inspection for visibility. This method assesses whether all required lights on the vehicle, such as headlights, taillights, and turn signals, are functioning properly and can be seen clearly. The inspector looks for the operation of these lights to ensure they meet the safety standards mandated by regulations. Visibility is crucial because it directly impacts the ability of other drivers to see and respond to the vehicle on the road, thus enhancing overall road safety.

The other options do not accurately reflect how light compliance is verified. For instance, reviewing purchase receipts may provide proof of purchase but does not confirm current compliance or functionality. Checking light intensity, while important in some contexts, is not a standard procedure for confirming compliance during inspections. Ensuring that installation followed guidelines is a consideration but doesn’t directly verify that the lights are currently operational and visible as required during an inspection.