Try a DVSA ADI Part 1 practice theory test question from the Driving test, disabilities and the law DVSA topic

When may you use your front fog lights?

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This DVSA explanation shows you why the correct answer is right (and the others are wrong), so you can understand the information around the question and remember it for the real ADI Part 1 theory test.

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Fog lights will help others see you, but they must only be used if visibility is seriously reduced. You must turn fog lights off when visibility improves, to avoid dazzling other road users.

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This is DVSA ADI Part 1 revision theory test question 1 of 104 from our free UK ADI Part 1 practice theory test. This practice test follows the same format as the real DVSA multiple-choice ADI Part 1 theory test.

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