The RAC say 'Fog lights need to be used at the right times to combat reduced visibility, otherwise you could be a danger to yourself and other drivers. Using them at the right time should aid safe driving but using them at the wrong time could mean you are breaking the law and endangering other drivers. To help motorists stay as safe as possible we have put together a guide of useful information on how to drive in fog and when to use your fog lights.' You should familiarize yourself with the foglight controls and learn how to turn them on and off correctly. You will need your dipped headlights on before you can turn on your front or rear fog lights. Not all cars have front fog lights,  it depends on the make, model and specifications of the car. The rear fog light is more important as its important for other drivers to see you. This concept follows suit if other drivers turn theirs on correctly too and therefore you can see them more easily. Extract Taken From 'The Highwa...