UK Driving Theory Test· DVSA
You should switch your front fog lights off when:
Choices
- AYou enter a built-up area
- BVisibility improves to more than 100 metresCorrect
- CYou join a motorway
- DOther drivers flash their lights at you
Answer
Visibility improves to more than 100 metres
Front fog lights must only be used in fog or falling snow when visibility is seriously reduced. Switch them off when conditions improve to avoid dazzling other drivers (Highway Code Rule 236).
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