It's a foggy day. What should you do if you have to park your car on the road? It's a foggy day. What should you do if you have to park your car on the road?

• Possible answers:

   
• A. Leave the car's headlights on
• B. Leave the car's fog lights on
• C. Leave the car's parking lights on
• D. Leave the car's hazard warning lights on