Topic 4 · Defensive Driving and Safe Driving Practices
Before changing lanes, you should:
- Honk to warn others
- Just use your turn signal
- Check mirrors, signal, and look over your shoulder — correct answer
Why
Mirrors, signal, then a shoulder check. The blind spot is exactly what the mirrors do not show you.
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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