What does the manual say about using cruise control in the rain?
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A.
Use it to keep a steady speed and reduce fatigue
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B.
Set it 5 mph below the posted limit
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C.
Never use it while it is raining or after it has been raining Correct
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D.
It is allowed only on interstates with light traffic
The answer is "Never use it while it is raining or after it has been raining"
The manual tells you never to use cruise control while it is raining or after it has rained, because the time it takes to tap the brake or release cruise can be the difference between keeping and losing control if the car begins to hydroplane. Choice A tempts drivers who carry a dry-highway habit of setting cruise for a steady speed straight into wet weather.
The traps in the wrong answers
A. Use it to keep a steady speed and reduce fatigue
The manual bans cruise control in rain outright, because tapping off cruise costs time if hydroplaning starts. This answer carries a dry-highway habit of setting cruise for a steady speed into wet pavement, missing the absolute ban.
B. Set it 5 mph below the posted limit
The manual's ban on cruise control in rain is absolute; no speed setting makes it safe. This answer treats cruise as safe at any speed below the limit, when the rule is weather-based, not speed-based.
D. It is allowed only on interstates with light traffic
The manual bans cruise control in rain regardless of road type or how light traffic is. This answer allows cruise on wet interstates by traffic volume, with no basis in the manual's blanket ban.
This question tests your knowledge of Adverse Conditions in North Carolina. Source: North Carolina Driver Handbook, "Hydroplaning," p.72..
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