What should you do when parking your car at night on a 30mph road?
a) Ensure your parking lights (side lights) are left on for the duration of your parking period
b) Ensure you are facing the direction of oncoming traffic
c) Ensure you move your car before daylight
d) Ensure your reflectors are clean and free of dirt
Five bonus points to anyone who knows this - and a further five bonus points to anyone who actually does this!