1.Overview  2.Wet weather  highwaycodeuk.co.uk 118  ● be aware of the dangers of spilt diesel that will make the  surface very slippery (see Annex 6: Vehicle maintenance,  safety and security)  ● the rain and spray from vehicles may make it difficult to see  and be seen  ● if the steering becomes unresponsive, it probably means  that water is preventing the tyres from gripping the road.  Ease off the accelerator and slow down gradually  ● you should keep well back from the vehicle in front. This will  increase your ability to see and plan ahead  227. Wet weather.   In wet weather, stopping distances will be at least  double those required for stopping on dry roads. This is because  your tyres have less grip on the road. In wet weather  226. You MUST   use headlights when visibility is seriously reduced,  generally when you cannot see for more than 100 metres (328  feet). You may also use front or rear fog lights but you MUST   switch  them off when visibility improves (see Rule 236). Law RVLR regs 25 & 27  Driving in adverse weather conditions AAATHE