Is it necessary to check the operation of a vehicle's lighting system?
A)Only if the vehicle does not have xenon lights installed.
B)No, it is not necessary.
C)Yes; it is part of preventive maintenance.Correct
# Explanation
Yes, it is absolutely necessary to regularly check a vehicle's lighting system as part of preventive maintenance. Lights are essential for road safety, allowing other drivers to see you and you to see the road in low-visibility conditions. This check should include headlights, rear lights, brake lights and turn signals, regardless of the type of technology they use.