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BDifficulty 2/5

A cloud of smoke or dust significantly reduces visibility. Which use of lighting is correct?

Correct answer

Use position lights and dipped beam; use rear fog lights only if conditions are particularly adverse.

Lighting is required: front fog lights or dipped or main beam subject to the other rules, together with the applicable position lights. Front fog lights may be used separately from dipped beam or with dipped or main beam; a fixed combination is not always compulsory. Avoid dazzling. Rear fog lights are used only in particularly adverse conditions, such as dense smoke or dust.

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  • Use position lights and dipped beam; use rear fog lights only if conditions are particularly adverse.

  • Use only position lights, with no additional front lighting.

  • Always use rear fog lights, even if conditions are not particularly adverse.

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