You cannot move your disabled car off the road. What does the manual tell you to use to warn oncoming traffic?
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A.
Steady headlight flashing from another car
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B.
Portable warning devices Correct
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C.
Hand signals from the shoulder
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D.
Loud, repeated honks from the horn
The answer is "Portable warning devices"
The manual names portable warning devices (flares, reflective triangles) as the tool for oncoming traffic when the car is stuck in the lane. Option D is the trap: the horn feels like the fastest way to alert other drivers, and the manual points instead to visible objects that keep working after you have stepped away from the car.
The traps in the wrong answers
A. Steady headlight flashing from another car
The manual does not list flagging down a passing car as your first response. This answer assigns your warning duty to another driver, though the responsibility stays with the disabled vehicle.
C. Hand signals from the shoulder
Hand signals from a person on the shoulder are hard to see from a distance and do not stay in place. This answer substitutes a personal gesture for the specific device the manual calls for.
D. Loud, repeated honks from the horn
The horn only sounds while you press it and does not warn drivers who reach the scene later. This answer reaches for the horn on habit, since it is the loudest tool in the car.
This question tests your knowledge of Emergencies in Texas. Source: Texas Driver Manual, "Vehicle Breakdown," p.48..
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