The answer options
- They may change direction quickly
- They may dazzle you with their fog lights
- They may dazzle you with their brake lights
- They may stop suddenlyCorrect
Why that is the answer
When driving in fog, reduced visibility means drivers ahead may spot a hazard late and stop suddenly without warning. Dropping well back increases your safety margin, giving you more time to react and bring your vehicle to a halt safely. The Highway Code advises increasing your distance from the vehicle in front in poor conditions. While rear lights can be bright, the main danger is a rear-end collision if traffic halts unexpectedly.
How this comes up in the real test
Questions from vehicle handling appear throughout the 50-question multiple-choice section, and the wording changes between versions. Learn the rule rather than the sentence: the DVSA can ask the same point from the opposite direction, and a memorised answer falls over the moment the phrasing moves.
The pass mark is 43 out of 50, so seven wrong answers is your entire margin. If a whole category is shaky, run the topic practice below until you are getting every question right for the right reason, then go back to full mocks under the clock.
More vehicle handling questions
- A lot of snow has fallen recently. When driving in these conditions, what are some things to think about?
- After fog has cleared, it can be dangerous to leave your rear fog lights switched on. What is the reason for this?
- What colour are the reflective studs along the left-hand edge of the motorway?
- During the day, when should dipped headlight be used?
- How can you regulate your speed with the engine of your car?
- How should you deal with this hazard?