Topic 4 · Defensive Driving and Safe Driving Practices
What should you do if you see a truck signaling a lane change?
- Ignore the signal and keep your speed
- Speed up and block the lane
- Slow down and give it more space to change lanes — correct answer
Why
Give the truck room. It needs a much longer gap than a car, and the driver cannot see you if you sit alongside.
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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