Topic 4 · Defensive Driving and Safe Driving Practices
Why should you dim your dashboard lights at night?
- Bright dash lights can reduce your forward vision adaptation — correct answer
- It increases your speed
- It helps the engine run better
Why
Bright instruments keep your eyes adapted to close-up light, which shrinks how far you can see down a dark road.
Practise this in the real format
Reading one answer is not the same as sitting the test. The simulator runs the first-time adult form: 36 questions, 6 mistakes allowed, 83% to pass.
Source: California Driver's Handbook (DL 600, rev. 6/2025), the document the DMV writes the real test from. Edited by Fernando Aguilera. Aprobify is not affiliated with the California DMV.
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