You're driving on a foggy night. Why should you switch off your rear fog lights as the fog clears? You're driving on a foggy night. Why should you switch off your rear fog lights as the fog clears?

• Possible answers:

   
• A. To avoid being distracted by the instrument warning light
• B. To make the bulbs last longer
• C. To improve your view of the road ahead
• D. To avoid dazzling drivers behind