What is a driver required to do when one of his two headlights malfunctions during “light time”?

1. Correct answer: He must stop. It is forbidden to continue driving.
2. He should keep driving. It is permitted to continue driving slowly until the nearest garage.
3. It is forbidden to continue driving only if the high beam malfunctions.
4. It is forbidden to continue driving only if the low beam malfunctions.

WhyIf one headlight fails at night, stop and do not drive until it is fixed. Oncoming drivers may take you for a motorcycle.