How to drive in fog

There are few things more frightening for drivers than to suddenly face a blanket of fog. Your vision becomes compromised and those around you become instantly invisible. The good is, you can learn how to drive in fog.

Before you set out

However good your driving, you can’t account for other people’s behaviour. But you can improve your chances of staying safe.

First of all, ask yourself “is this journey absolutely essential?” If you’re aware that fog is a risk, the safest thing to do is to avoid it altogether. Postpone your journey. The chances are that you’d get delayed in fog anyway, so is it really worth setting out?

Obviously that only applies if you have an inkling that fog is a threat. Quite often it can appear as if from nowhere – so you need to make sure you know how to drive in fog. That starts before you leave. 

Your lights will take on huge importance when driving in mist and fog. So, before you set off, check that they’re all working and that their lenses are clean. Also, if you don’t know already, familiarise yourself with where your light switches are, including your fog lamp, and how you switch them on and off. Nowadays a lot of cars switch their lights on automatically when it gets dark but not necessarily in fog or mist. You therefore need to know how to control your lights manually.

Driving in fog checklist

  • Check your lights before leaving
  • Learn how to manually switch them on and off
  • Use headlights with dipped beam
  • Only use fog lights when visibility is very poor
  • Avoid condensation inside your vehicle
  • Drive slowly and steadily
  • Keep a long distance between you and the car in front
  • Be aware of fog turning to ice
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