Correct answer
Increase the safety gap and adapt speed to visibility.
Increase the safety gap and reduce speed according to visibility to allow time and space to react. The road may be damp and have less grip. Do not follow closely to use the preceding vehicle as a guide. Use the lighting required by conditions; dipped headlights are generally suitable and front fog lights may be used when applicable, while rear fog lights are reserved for especially adverse conditions such as thick fog. Position lights alone are insufficient when visibility is substantially reduced.
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Increase the safety gap and adapt speed to visibility.
Reduce the gap to follow the preceding vehicle’s lights closely.
Keep a high speed even if unable to stop within the visible distance.
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