Topic 4 · Defensive Driving and Safe Driving Practices
When is it appropriate to use your vehicle's horn?
- To show anger when someone annoys you
- To alert another driver to prevent a collision or when approaching a blind curve — correct answer
- Whenever you are frustrated in traffic
Why
Use the horn to prevent a collision or to make your presence known where you cannot be seen, such as a blind curve on a narrow 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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