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Difficulty: MediumDriving in Fog and Reduced Visibility

Engaging cruise control while driving through dense fog on a highway is recommended because it helps maintain a uniform speed and reduces driver workload in low-visibility conditions.

Answer: Answer

Answer

False. Drivers must never use cruise control when navigating through fog or other reduced visibility environments.
The statement is false because defensive driving standards strictly advise against using cruise control during fog, rain, or adverse weather, as drivers must retain full manual control over acceleration and braking to adapt quickly to changing visibility.

Step-by-Step Solution

1
Assess the impact of cruise control on driver reaction time in low-visibility environments.
Using cruise control prevents immediate speed reduction when a hazard suddenly appears out of the fog.
Drivers must manually override the system by tapping the brake rather than naturally easing off the gas pedal.
2
Evaluate road surface and speed regulation requirements under adverse conditions.
Fog creates wet pavement and changing sightlines, requiring flexible speed control governed by the Basic Speed Law.
Automated speed systems cannot detect fog density or surface moisture.

Key Concept

Prohibition of Cruise Control in Reduced Visibility and Adverse Conditions
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Topics

Driving in Fog and Reduced Visibility

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