You've parked your vehicle on the road at night. When must you leave the parking lights switched on? You've parked your vehicle on the road at night. When must you leave the parking lights switched on?

• Possible answers:

   
• A. When there are continuous white lines in the middle of the road
• B. When the speed limit exceeds 30 mph
• C. When you're facing oncoming traffic
• D. When you're near a bus stop