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You're driving in fog. When should high-intensity rear fog lights be used? - Theory Test Notice: Undefined offset: 0 in /home/theorytest/public_html/wp-content/themes/printspace-child/functions.php on line 245
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You’re driving in fog. When should high-intensity rear fog lights be used?

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When visibility falls below 100 metres (328 feet)
When visibility falls below 300 metres (984 feet)
When visibility falls below 200 metres (656 feet)
When visibility falls below 400 metres (1312 feet)