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Oklahoma Class D Knowledge Test Practice
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Passing target: 80% (16/20)
Vehicle Safety, Documents & TowingStandalone practice
Which of these is a proper use of your horn?
Correct answer: A short tap as you slowly back out of a parking space next to a van that blocks your view.
Why
Oklahoma law requires a horn that others can hear from at least 200 feet, and it allows its use only when needed for safe operation. A horn used to hurry, greet or scold people can startle pedestrians and start road-rage conflicts. Never blast the horn to startle or pressure a person on a bicycle.
Verified against Oklahoma Driver Manual · Angle Parking: backing out (horn use) · p. 12, 41, 46, 50
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