Question 116 of 403

After dark, why should you dim your dashboard lights if possible?

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Bright dashboard lighting can make it harder for your eyes to adjust to the darker road ahead
Brighter dashboard lights mainly help you read your gauges more easily, nothing else, which only seems true until you deal with possible
It has no effect on driving, only on saving battery power
Dimming instrument lights is required only in certain states

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Correct answer to question 116 (General Knowledge): Bright dashboard lighting can make it harder for your eyes to adjust to the darker road ahead

Why

A bright dashboard competes with your night vision, making the darker road ahead harder to see clearly, so dimming the interior lighting helps your eyes stay adjusted to the dark.

Updated: November 2026

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After dark, why should you dim your dashboard lights if possible?

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