Washington Personal Driver Knowledge Test
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Passing target: 80% (32/40)
Your car has a blind-zone warning light on each side mirror. You want to change lanes to the left, and the left warning light is off. What should you do before you move over?
A is in the right lane and plans a left lane change. The enlarged left mirror has its warning indicator off. No blind-zone highlight or maneuver route appears in the question.
Correct answer: Signal, check the mirrors, and turn your head to look into the blind zone
Why
Blind zones are areas around your car that you cannot see from the driver's seat, and they can hide a whole car, a motorcyclist, or a bicyclist. Correct mirror settings make them smaller, and warning systems can help, but you must still move your head so that your eyes check the space. Keep the steering wheel straight while you look, so the car does not drift.
Verified against Washington Driver Guide · 2.12 Your blind zones · p. 63
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