Topic 4 · Defensive Driving and Safe Driving Practices
What should you do when driving in fog?
- Drive with hazard lights on
- Use low-beam headlights — correct answer
- Use high-beam headlights
Why
Low beams. High beams reflect off the fog and reduce what you can see. (Handbook, Section 8.)
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.
More from Defensive Driving and Safe Driving Practices
- At night, you should adjust your speed so that:
- If your passenger is under 16 and not wearing a seat belt:
- Before proceeding through an intersection, even with a green light, you should:
- A child seated next to a side airbag:
- Carbon monoxide from a vehicle's exhaust is dangerous because it is:
- If you must descend a steep, icy hill, you should: