You're driving at night with your headlights on main beam. A vehicle is overtaking you. When should you dip your headlights? You're driving at night with your headlights on main beam. A vehicle is overtaking you. When should you dip your headlights?

• Possible answers:

   
• A. Some time after the vehicle has passed you
• B. Before the vehicle starts to pass you
• C. Only if the other driver dips their headlights
• D. As soon as the vehicle passes you