Safe drivingQuestion 167 of 229

Which of these actions needs a blind-spot check before you do it?

  1. Turning on the radio
  2. Checking your fuel gauge
  3. Opening your car door
  4. Adjusting the seat after you stop
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Correct answer: Opening your car door

The handbook lists opening your door with other actions, such as lane changes and backing up.

Source: California Driver's Handbook (DL 600, California DMV, 2025), Section 8. Safe Driving: Blind Spots, page 58

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Questions last reviewed: 18 October 2026